Home / 31,511.72-47,275.13-9,022.71

Finding the Fourth Proportional to 31,511.72, 47,275.13 and 9,022.71

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Solution

The fourth proportional to 31,511.72, 47,275.13 and 9,022.71 is: 13,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.72 : 47,275.13 = 9,022.71 : x
  2. Step 2: Convert to fraction form
    31,511.72/47,275.13 = 9,022.71/x
  3. Step 3: Cross multiply
    31,511.72x = 47,275.13 × 9,022.71
  4. Step 4: Simplify right side
    31,511.72x = 426,549,788.20
  5. Step 5: Solve for x
    x = 426,549,788.20/31,511.72
  6. Step 6: Final answer
    x = 13,536.23

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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.