Home / 40,438.38-55,859.40-36,665.82

Finding the Fourth Proportional to 40,438.38, 55,859.40 and 36,665.82

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Solution

The fourth proportional to 40,438.38, 55,859.40 and 36,665.82 is: 50,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.38 : 55,859.40 = 36,665.82 : x
  2. Step 2: Convert to fraction form
    40,438.38/55,859.40 = 36,665.82/x
  3. Step 3: Cross multiply
    40,438.38x = 55,859.40 × 36,665.82
  4. Step 4: Simplify right side
    40,438.38x = 2,048,130,705.71
  5. Step 5: Solve for x
    x = 2,048,130,705.71/40,438.38
  6. Step 6: Final answer
    x = 50,648.19

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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.