Home / 48,432.52-72,659.33-20,336.55

Finding the Fourth Proportional to 48,432.52, 72,659.33 and 20,336.55

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Solution

The fourth proportional to 48,432.52, 72,659.33 and 20,336.55 is: 30,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,432.52 : 72,659.33 = 20,336.55 : x
  2. Step 2: Convert to fraction form
    48,432.52/72,659.33 = 20,336.55/x
  3. Step 3: Cross multiply
    48,432.52x = 72,659.33 × 20,336.55
  4. Step 4: Simplify right side
    48,432.52x = 1,477,640,420.83
  5. Step 5: Solve for x
    x = 1,477,640,420.83/48,432.52
  6. Step 6: Final answer
    x = 30,509.26

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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.