Home / 48,539.20-72,837.60-31,946.80

Finding the Fourth Proportional to 48,539.20, 72,837.60 and 31,946.80

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Solution

The fourth proportional to 48,539.20, 72,837.60 and 31,946.80 is: 47,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,539.20 : 72,837.60 = 31,946.80 : x
  2. Step 2: Convert to fraction form
    48,539.20/72,837.60 = 31,946.80/x
  3. Step 3: Cross multiply
    48,539.20x = 72,837.60 × 31,946.80
  4. Step 4: Simplify right side
    48,539.20x = 2,326,928,239.68
  5. Step 5: Solve for x
    x = 2,326,928,239.68/48,539.20
  6. Step 6: Final answer
    x = 47,939.16

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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.