Home / 37,702.90-56,531.13-12,740.59

Finding the Fourth Proportional to 37,702.90, 56,531.13 and 12,740.59

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Solution

The fourth proportional to 37,702.90, 56,531.13 and 12,740.59 is: 19,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,702.90 : 56,531.13 = 12,740.59 : x
  2. Step 2: Convert to fraction form
    37,702.90/56,531.13 = 12,740.59/x
  3. Step 3: Cross multiply
    37,702.90x = 56,531.13 × 12,740.59
  4. Step 4: Simplify right side
    37,702.90x = 720,239,949.57
  5. Step 5: Solve for x
    x = 720,239,949.57/37,702.90
  6. Step 6: Final answer
    x = 19,103.04

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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.