Home / 42,347.61-63,529.52-20,171.43

Finding the Fourth Proportional to 42,347.61, 63,529.52 and 20,171.43

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Solution

The fourth proportional to 42,347.61, 63,529.52 and 20,171.43 is: 30,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347.61 : 63,529.52 = 20,171.43 : x
  2. Step 2: Convert to fraction form
    42,347.61/63,529.52 = 20,171.43/x
  3. Step 3: Cross multiply
    42,347.61x = 63,529.52 × 20,171.43
  4. Step 4: Simplify right side
    42,347.61x = 1,281,481,164.76
  5. Step 5: Solve for x
    x = 1,281,481,164.76/42,347.61
  6. Step 6: Final answer
    x = 30,261.00

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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.