Home / 40,935.13-61,402.70-14,638.28

Finding the Fourth Proportional to 40,935.13, 61,402.70 and 14,638.28

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Solution

The fourth proportional to 40,935.13, 61,402.70 and 14,638.28 is: 21,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.13 : 61,402.70 = 14,638.28 : x
  2. Step 2: Convert to fraction form
    40,935.13/61,402.70 = 14,638.28/x
  3. Step 3: Cross multiply
    40,935.13x = 61,402.70 × 14,638.28
  4. Step 4: Simplify right side
    40,935.13x = 898,829,915.36
  5. Step 5: Solve for x
    x = 898,829,915.36/40,935.13
  6. Step 6: Final answer
    x = 21,957.42

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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.