Home / 40,702.38-61,053.21-11,120.22

Finding the Fourth Proportional to 40,702.38, 61,053.21 and 11,120.22

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Solution

The fourth proportional to 40,702.38, 61,053.21 and 11,120.22 is: 16,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,702.38 : 61,053.21 = 11,120.22 : x
  2. Step 2: Convert to fraction form
    40,702.38/61,053.21 = 11,120.22/x
  3. Step 3: Cross multiply
    40,702.38x = 61,053.21 × 11,120.22
  4. Step 4: Simplify right side
    40,702.38x = 678,925,126.91
  5. Step 5: Solve for x
    x = 678,925,126.91/40,702.38
  6. Step 6: Final answer
    x = 16,680.23

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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.