Home / 39,730.05-59,595.03-10,147.91

Finding the Fourth Proportional to 39,730.05, 59,595.03 and 10,147.91

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Solution

The fourth proportional to 39,730.05, 59,595.03 and 10,147.91 is: 15,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,730.05 : 59,595.03 = 10,147.91 : x
  2. Step 2: Convert to fraction form
    39,730.05/59,595.03 = 10,147.91/x
  3. Step 3: Cross multiply
    39,730.05x = 59,595.03 × 10,147.91
  4. Step 4: Simplify right side
    39,730.05x = 604,764,702.91
  5. Step 5: Solve for x
    x = 604,764,702.91/39,730.05
  6. Step 6: Final answer
    x = 15,221.85

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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.