Home / 48,087.56-72,125.76-13,029.86

Finding the Fourth Proportional to 48,087.56, 72,125.76 and 13,029.86

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Solution

The fourth proportional to 48,087.56, 72,125.76 and 13,029.86 is: 19,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.56 : 72,125.76 = 13,029.86 : x
  2. Step 2: Convert to fraction form
    48,087.56/72,125.76 = 13,029.86/x
  3. Step 3: Cross multiply
    48,087.56x = 72,125.76 × 13,029.86
  4. Step 4: Simplify right side
    48,087.56x = 939,788,555.19
  5. Step 5: Solve for x
    x = 939,788,555.19/48,087.56
  6. Step 6: Final answer
    x = 19,543.28

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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.