Home / 48,225.07-72,337.61-20,129.80

Finding the Fourth Proportional to 48,225.07, 72,337.61 and 20,129.80

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Solution

The fourth proportional to 48,225.07, 72,337.61 and 20,129.80 is: 30,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,225.07 : 72,337.61 = 20,129.80 : x
  2. Step 2: Convert to fraction form
    48,225.07/72,337.61 = 20,129.80/x
  3. Step 3: Cross multiply
    48,225.07x = 72,337.61 × 20,129.80
  4. Step 4: Simplify right side
    48,225.07x = 1,456,141,539.32
  5. Step 5: Solve for x
    x = 1,456,141,539.32/48,225.07
  6. Step 6: Final answer
    x = 30,194.70

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1.5x scale

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.