Home / 47,770.38-71,655.45-12,710.03

Finding the Fourth Proportional to 47,770.38, 71,655.45 and 12,710.03

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Solution

The fourth proportional to 47,770.38, 71,655.45 and 12,710.03 is: 19,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,770.38 : 71,655.45 = 12,710.03 : x
  2. Step 2: Convert to fraction form
    47,770.38/71,655.45 = 12,710.03/x
  3. Step 3: Cross multiply
    47,770.38x = 71,655.45 × 12,710.03
  4. Step 4: Simplify right side
    47,770.38x = 910,742,560.89
  5. Step 5: Solve for x
    x = 910,742,560.89/47,770.38
  6. Step 6: Final answer
    x = 19,065.01

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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.