Home / 40,421.76-55,807.56-29,792.88

Finding the Fourth Proportional to 40,421.76, 55,807.56 and 29,792.88

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Solution

The fourth proportional to 40,421.76, 55,807.56 and 29,792.88 is: 41,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.76 : 55,807.56 = 29,792.88 : x
  2. Step 2: Convert to fraction form
    40,421.76/55,807.56 = 29,792.88/x
  3. Step 3: Cross multiply
    40,421.76x = 55,807.56 × 29,792.88
  4. Step 4: Simplify right side
    40,421.76x = 1,662,667,938.17
  5. Step 5: Solve for x
    x = 1,662,667,938.17/40,421.76
  6. Step 6: Final answer
    x = 41,132.99

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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.