Home / 40,929.40-61,394.10-40,637.80

Finding the Fourth Proportional to 40,929.40, 61,394.10 and 40,637.80

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Solution

The fourth proportional to 40,929.40, 61,394.10 and 40,637.80 is: 60,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.40 : 61,394.10 = 40,637.80 : x
  2. Step 2: Convert to fraction form
    40,929.40/61,394.10 = 40,637.80/x
  3. Step 3: Cross multiply
    40,929.40x = 61,394.10 × 40,637.80
  4. Step 4: Simplify right side
    40,929.40x = 2,494,921,156.98
  5. Step 5: Solve for x
    x = 2,494,921,156.98/40,929.40
  6. Step 6: Final answer
    x = 60,956.70

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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.