Home / 32,257,387.20-48,386,080.80-20,835,998.40

Finding the Fourth Proportional to 32,257,387.20, 48,386,080.80 and 20,835,998.40

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Solution

The fourth proportional to 32,257,387.20, 48,386,080.80 and 20,835,998.40 is: 31,253,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,257,387.20 : 48,386,080.80 = 20,835,998.40 : x
  2. Step 2: Convert to fraction form
    32,257,387.20/48,386,080.80 = 20,835,998.40/x
  3. Step 3: Cross multiply
    32,257,387.20x = 48,386,080.80 × 20,835,998.40
  4. Step 4: Simplify right side
    32,257,387.20x = 1,008,172,302,131,070.62
  5. Step 5: Solve for x
    x = 1,008,172,302,131,070.62/32,257,387.20
  6. Step 6: Final answer
    x = 31,253,997.60

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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.