Home / 40,938.83-61,395.18-15,972.80

Finding the Fourth Proportional to 40,938.83, 61,395.18 and 15,972.80

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Solution

The fourth proportional to 40,938.83, 61,395.18 and 15,972.80 is: 23,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.83 : 61,395.18 = 15,972.80 : x
  2. Step 2: Convert to fraction form
    40,938.83/61,395.18 = 15,972.80/x
  3. Step 3: Cross multiply
    40,938.83x = 61,395.18 × 15,972.80
  4. Step 4: Simplify right side
    40,938.83x = 980,652,931.10
  5. Step 5: Solve for x
    x = 980,652,931.10/40,938.83
  6. Step 6: Final answer
    x = 23,954.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.