Home / 40,818.38-61,209.09-14,523.81

Finding the Fourth Proportional to 40,818.38, 61,209.09 and 14,523.81

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Solution

The fourth proportional to 40,818.38, 61,209.09 and 14,523.81 is: 21,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,818.38 : 61,209.09 = 14,523.81 : x
  2. Step 2: Convert to fraction form
    40,818.38/61,209.09 = 14,523.81/x
  3. Step 3: Cross multiply
    40,818.38x = 61,209.09 × 14,523.81
  4. Step 4: Simplify right side
    40,818.38x = 888,989,193.43
  5. Step 5: Solve for x
    x = 888,989,193.43/40,818.38
  6. Step 6: Final answer
    x = 21,779.14

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1.5x scale

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.