Home / 48,239.56-72,352.77-12,697.90

Finding the Fourth Proportional to 48,239.56, 72,352.77 and 12,697.90

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Solution

The fourth proportional to 48,239.56, 72,352.77 and 12,697.90 is: 19,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,239.56 : 72,352.77 = 12,697.90 : x
  2. Step 2: Convert to fraction form
    48,239.56/72,352.77 = 12,697.90/x
  3. Step 3: Cross multiply
    48,239.56x = 72,352.77 × 12,697.90
  4. Step 4: Simplify right side
    48,239.56x = 918,728,274.33
  5. Step 5: Solve for x
    x = 918,728,274.33/48,239.56
  6. Step 6: Final answer
    x = 19,045.12

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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.