Home / 31,490.15-47,004.84-27,753.59

Finding the Fourth Proportional to 31,490.15, 47,004.84 and 27,753.59

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Solution

The fourth proportional to 31,490.15, 47,004.84 and 27,753.59 is: 41,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490.15 : 47,004.84 = 27,753.59 : x
  2. Step 2: Convert to fraction form
    31,490.15/47,004.84 = 27,753.59/x
  3. Step 3: Cross multiply
    31,490.15x = 47,004.84 × 27,753.59
  4. Step 4: Simplify right side
    31,490.15x = 1,304,552,918.61
  5. Step 5: Solve for x
    x = 1,304,552,918.61/31,490.15
  6. Step 6: Final answer
    x = 41,427.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.