Home / 31,456.74-47,175.68-9,264.77

Finding the Fourth Proportional to 31,456.74, 47,175.68 and 9,264.77

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Solution

The fourth proportional to 31,456.74, 47,175.68 and 9,264.77 is: 13,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.74 : 47,175.68 = 9,264.77 : x
  2. Step 2: Convert to fraction form
    31,456.74/47,175.68 = 9,264.77/x
  3. Step 3: Cross multiply
    31,456.74x = 47,175.68 × 9,264.77
  4. Step 4: Simplify right side
    31,456.74x = 437,071,542.59
  5. Step 5: Solve for x
    x = 437,071,542.59/31,456.74
  6. Step 6: Final answer
    x = 13,894.37

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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.