Home / 60,894.07-91,350.21-18,770.65

Finding the Fourth Proportional to 60,894.07, 91,350.21 and 18,770.65

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Solution

The fourth proportional to 60,894.07, 91,350.21 and 18,770.65 is: 28,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,894.07 : 91,350.21 = 18,770.65 : x
  2. Step 2: Convert to fraction form
    60,894.07/91,350.21 = 18,770.65/x
  3. Step 3: Cross multiply
    60,894.07x = 91,350.21 × 18,770.65
  4. Step 4: Simplify right side
    60,894.07x = 1,714,702,819.34
  5. Step 5: Solve for x
    x = 1,714,702,819.34/60,894.07
  6. Step 6: Final answer
    x = 28,158.78

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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.