Home / 48,499.26-72,746.82-13,438.08

Finding the Fourth Proportional to 48,499.26, 72,746.82 and 13,438.08

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Solution

The fourth proportional to 48,499.26, 72,746.82 and 13,438.08 is: 20,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.26 : 72,746.82 = 13,438.08 : x
  2. Step 2: Convert to fraction form
    48,499.26/72,746.82 = 13,438.08/x
  3. Step 3: Cross multiply
    48,499.26x = 72,746.82 × 13,438.08
  4. Step 4: Simplify right side
    48,499.26x = 977,577,586.91
  5. Step 5: Solve for x
    x = 977,577,586.91/48,499.26
  6. Step 6: Final answer
    x = 20,156.55

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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.