Home / 50,420.09-75,613.12-18,823.61

Finding the Fourth Proportional to 50,420.09, 75,613.12 and 18,823.61

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Solution

The fourth proportional to 50,420.09, 75,613.12 and 18,823.61 is: 28,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420.09 : 75,613.12 = 18,823.61 : x
  2. Step 2: Convert to fraction form
    50,420.09/75,613.12 = 18,823.61/x
  3. Step 3: Cross multiply
    50,420.09x = 75,613.12 × 18,823.61
  4. Step 4: Simplify right side
    50,420.09x = 1,423,312,023.74
  5. Step 5: Solve for x
    x = 1,423,312,023.74/50,420.09
  6. Step 6: Final answer
    x = 28,229.06

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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.