Home / 31,130.73-42,961.39-17,701.13

Finding the Fourth Proportional to 31,130.73, 42,961.39 and 17,701.13

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Solution

The fourth proportional to 31,130.73, 42,961.39 and 17,701.13 is: 24,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130.73 : 42,961.39 = 17,701.13 : x
  2. Step 2: Convert to fraction form
    31,130.73/42,961.39 = 17,701.13/x
  3. Step 3: Cross multiply
    31,130.73x = 42,961.39 × 17,701.13
  4. Step 4: Simplify right side
    31,130.73x = 760,465,212.52
  5. Step 5: Solve for x
    x = 760,465,212.52/31,130.73
  6. Step 6: Final answer
    x = 24,428.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.