Home / 31,248.36-43,123.48-17,820.90

Finding the Fourth Proportional to 31,248.36, 43,123.48 and 17,820.90

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Solution

The fourth proportional to 31,248.36, 43,123.48 and 17,820.90 is: 24,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.36 : 43,123.48 = 17,820.90 : x
  2. Step 2: Convert to fraction form
    31,248.36/43,123.48 = 17,820.90/x
  3. Step 3: Cross multiply
    31,248.36x = 43,123.48 × 17,820.90
  4. Step 4: Simplify right side
    31,248.36x = 768,499,224.73
  5. Step 5: Solve for x
    x = 768,499,224.73/31,248.36
  6. Step 6: Final answer
    x = 24,593.27

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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.