Home / 37,689.63-56,540.59-12,731.17

Finding the Fourth Proportional to 37,689.63, 56,540.59 and 12,731.17

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Solution

The fourth proportional to 37,689.63, 56,540.59 and 12,731.17 is: 19,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689.63 : 56,540.59 = 12,731.17 : x
  2. Step 2: Convert to fraction form
    37,689.63/56,540.59 = 12,731.17/x
  3. Step 3: Cross multiply
    37,689.63x = 56,540.59 × 12,731.17
  4. Step 4: Simplify right side
    37,689.63x = 719,827,690.01
  5. Step 5: Solve for x
    x = 719,827,690.01/37,689.63
  6. Step 6: Final answer
    x = 19,098.83

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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.