Home / 60,510.13-90,765.19-18,390.56

Finding the Fourth Proportional to 60,510.13, 90,765.19 and 18,390.56

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Solution

The fourth proportional to 60,510.13, 90,765.19 and 18,390.56 is: 27,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,510.13 : 90,765.19 = 18,390.56 : x
  2. Step 2: Convert to fraction form
    60,510.13/90,765.19 = 18,390.56/x
  3. Step 3: Cross multiply
    60,510.13x = 90,765.19 × 18,390.56
  4. Step 4: Simplify right side
    60,510.13x = 1,669,222,672.61
  5. Step 5: Solve for x
    x = 1,669,222,672.61/60,510.13
  6. Step 6: Final answer
    x = 27,585.84

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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.