Home / 31,127.88-46,691.62-14,478.68

Finding the Fourth Proportional to 31,127.88, 46,691.62 and 14,478.68

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Solution

The fourth proportional to 31,127.88, 46,691.62 and 14,478.68 is: 21,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.88 : 46,691.62 = 14,478.68 : x
  2. Step 2: Convert to fraction form
    31,127.88/46,691.62 = 14,478.68/x
  3. Step 3: Cross multiply
    31,127.88x = 46,691.62 × 14,478.68
  4. Step 4: Simplify right side
    31,127.88x = 676,033,024.66
  5. Step 5: Solve for x
    x = 676,033,024.66/31,127.88
  6. Step 6: Final answer
    x = 21,717.93

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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.