Home / 31,981.30-44,122.53-20,045.14

Finding the Fourth Proportional to 31,981.30, 44,122.53 and 20,045.14

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Solution

The fourth proportional to 31,981.30, 44,122.53 and 20,045.14 is: 27,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.30 : 44,122.53 = 20,045.14 : x
  2. Step 2: Convert to fraction form
    31,981.30/44,122.53 = 20,045.14/x
  3. Step 3: Cross multiply
    31,981.30x = 44,122.53 × 20,045.14
  4. Step 4: Simplify right side
    31,981.30x = 884,442,291.00
  5. Step 5: Solve for x
    x = 884,442,291.00/31,981.30
  6. Step 6: Final answer
    x = 27,654.98

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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.