Home / 42,446.60-63,669.90-40,806.35

Finding the Fourth Proportional to 42,446.60, 63,669.90 and 40,806.35

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Solution

The fourth proportional to 42,446.60, 63,669.90 and 40,806.35 is: 61,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.60 : 63,669.90 = 40,806.35 : x
  2. Step 2: Convert to fraction form
    42,446.60/63,669.90 = 40,806.35/x
  3. Step 3: Cross multiply
    42,446.60x = 63,669.90 × 40,806.35
  4. Step 4: Simplify right side
    42,446.60x = 2,598,136,223.87
  5. Step 5: Solve for x
    x = 2,598,136,223.87/42,446.60
  6. Step 6: Final answer
    x = 61,209.53

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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.