Home / 37,689.26-56,540.03-12,730.79

Finding the Fourth Proportional to 37,689.26, 56,540.03 and 12,730.79

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Solution

The fourth proportional to 37,689.26, 56,540.03 and 12,730.79 is: 19,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689.26 : 56,540.03 = 12,730.79 : x
  2. Step 2: Convert to fraction form
    37,689.26/56,540.03 = 12,730.79/x
  3. Step 3: Cross multiply
    37,689.26x = 56,540.03 × 12,730.79
  4. Step 4: Simplify right side
    37,689.26x = 719,799,326.22
  5. Step 5: Solve for x
    x = 719,799,326.22/37,689.26
  6. Step 6: Final answer
    x = 19,098.26

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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.