Home / 31,726.87-47,587.57-13,001.56

Finding the Fourth Proportional to 31,726.87, 47,587.57 and 13,001.56

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Solution

The fourth proportional to 31,726.87, 47,587.57 and 13,001.56 is: 19,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.87 : 47,587.57 = 13,001.56 : x
  2. Step 2: Convert to fraction form
    31,726.87/47,587.57 = 13,001.56/x
  3. Step 3: Cross multiply
    31,726.87x = 47,587.57 × 13,001.56
  4. Step 4: Simplify right side
    31,726.87x = 618,712,646.61
  5. Step 5: Solve for x
    x = 618,712,646.61/31,726.87
  6. Step 6: Final answer
    x = 19,501.22

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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.