Home / 37,686.40-56,530.50-11,391.04

Finding the Fourth Proportional to 37,686.40, 56,530.50 and 11,391.04

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Solution

The fourth proportional to 37,686.40, 56,530.50 and 11,391.04 is: 17,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.40 : 56,530.50 = 11,391.04 : x
  2. Step 2: Convert to fraction form
    37,686.40/56,530.50 = 11,391.04/x
  3. Step 3: Cross multiply
    37,686.40x = 56,530.50 × 11,391.04
  4. Step 4: Simplify right side
    37,686.40x = 643,941,186.72
  5. Step 5: Solve for x
    x = 643,941,186.72/37,686.40
  6. Step 6: Final answer
    x = 17,086.83

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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.