Home / 35,990.16-49,666.28-20,074.62

Finding the Fourth Proportional to 35,990.16, 49,666.28 and 20,074.62

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Solution

The fourth proportional to 35,990.16, 49,666.28 and 20,074.62 is: 27,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.16 : 49,666.28 = 20,074.62 : x
  2. Step 2: Convert to fraction form
    35,990.16/49,666.28 = 20,074.62/x
  3. Step 3: Cross multiply
    35,990.16x = 49,666.28 × 20,074.62
  4. Step 4: Simplify right side
    35,990.16x = 997,031,697.81
  5. Step 5: Solve for x
    x = 997,031,697.81/35,990.16
  6. Step 6: Final answer
    x = 27,702.90

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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.