Home / 43,031.61-64,572.68-18,069.74

Finding the Fourth Proportional to 43,031.61, 64,572.68 and 18,069.74

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Solution

The fourth proportional to 43,031.61, 64,572.68 and 18,069.74 is: 27,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,031.61 : 64,572.68 = 18,069.74 : x
  2. Step 2: Convert to fraction form
    43,031.61/64,572.68 = 18,069.74/x
  3. Step 3: Cross multiply
    43,031.61x = 64,572.68 × 18,069.74
  4. Step 4: Simplify right side
    43,031.61x = 1,166,811,538.70
  5. Step 5: Solve for x
    x = 1,166,811,538.70/43,031.61
  6. Step 6: Final answer
    x = 27,115.22

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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.