Home / 38,220.96-57,332.13-13,261.83

Finding the Fourth Proportional to 38,220.96, 57,332.13 and 13,261.83

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Solution

The fourth proportional to 38,220.96, 57,332.13 and 13,261.83 is: 19,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.96 : 57,332.13 = 13,261.83 : x
  2. Step 2: Convert to fraction form
    38,220.96/57,332.13 = 13,261.83/x
  3. Step 3: Cross multiply
    38,220.96x = 57,332.13 × 13,261.83
  4. Step 4: Simplify right side
    38,220.96x = 760,328,961.60
  5. Step 5: Solve for x
    x = 760,328,961.60/38,220.96
  6. Step 6: Final answer
    x = 19,892.98

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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.