Home / 36,012,816.32-49,702,417.44-20,539,353.92

Finding the Fourth Proportional to 36,012,816.32, 49,702,417.44 and 20,539,353.92

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Solution

The fourth proportional to 36,012,816.32, 49,702,417.44 and 20,539,353.92 is: 28,347,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012,816.32 : 49,702,417.44 = 20,539,353.92 : x
  2. Step 2: Convert to fraction form
    36,012,816.32/49,702,417.44 = 20,539,353.92/x
  3. Step 3: Cross multiply
    36,012,816.32x = 49,702,417.44 × 20,539,353.92
  4. Step 4: Simplify right side
    36,012,816.32x = 1,020,855,542,479,740.38
  5. Step 5: Solve for x
    x = 1,020,855,542,479,740.38/36,012,816.32
  6. Step 6: Final answer
    x = 28,347,006.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.