Home / 79,561.01-119,332.60-20,398.07

Finding the Fourth Proportional to 79,561.01, 119,332.60 and 20,398.07

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Solution

The fourth proportional to 79,561.01, 119,332.60 and 20,398.07 is: 30,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,561.01 : 119,332.60 = 20,398.07 : x
  2. Step 2: Convert to fraction form
    79,561.01/119,332.60 = 20,398.07/x
  3. Step 3: Cross multiply
    79,561.01x = 119,332.60 × 20,398.07
  4. Step 4: Simplify right side
    79,561.01x = 2,434,154,728.08
  5. Step 5: Solve for x
    x = 2,434,154,728.08/79,561.01
  6. Step 6: Final answer
    x = 30,594.82

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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.