Home / 37,850.90-56,785.13-12,891.16

Finding the Fourth Proportional to 37,850.90, 56,785.13 and 12,891.16

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Solution

The fourth proportional to 37,850.90, 56,785.13 and 12,891.16 is: 19,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,850.90 : 56,785.13 = 12,891.16 : x
  2. Step 2: Convert to fraction form
    37,850.90/56,785.13 = 12,891.16/x
  3. Step 3: Cross multiply
    37,850.90x = 56,785.13 × 12,891.16
  4. Step 4: Simplify right side
    37,850.90x = 732,026,264.17
  5. Step 5: Solve for x
    x = 732,026,264.17/37,850.90
  6. Step 6: Final answer
    x = 19,339.73

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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.