Home / 48,446.86-72,670.32-13,386.55

Finding the Fourth Proportional to 48,446.86, 72,670.32 and 13,386.55

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Solution

The fourth proportional to 48,446.86, 72,670.32 and 13,386.55 is: 20,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,446.86 : 72,670.32 = 13,386.55 : x
  2. Step 2: Convert to fraction form
    48,446.86/72,670.32 = 13,386.55/x
  3. Step 3: Cross multiply
    48,446.86x = 72,670.32 × 13,386.55
  4. Step 4: Simplify right side
    48,446.86x = 972,804,690.52
  5. Step 5: Solve for x
    x = 972,804,690.52/48,446.86
  6. Step 6: Final answer
    x = 20,079.83

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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.