Home / 48,240.56-72,354.27-12,698.90

Finding the Fourth Proportional to 48,240.56, 72,354.27 and 12,698.90

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Solution

The fourth proportional to 48,240.56, 72,354.27 and 12,698.90 is: 19,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.56 : 72,354.27 = 12,698.90 : x
  2. Step 2: Convert to fraction form
    48,240.56/72,354.27 = 12,698.90/x
  3. Step 3: Cross multiply
    48,240.56x = 72,354.27 × 12,698.90
  4. Step 4: Simplify right side
    48,240.56x = 918,819,639.30
  5. Step 5: Solve for x
    x = 918,819,639.30/48,240.56
  6. Step 6: Final answer
    x = 19,046.62

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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.