Home / 60,384.32-90,559.20-18,820.16

Finding the Fourth Proportional to 60,384.32, 90,559.20 and 18,820.16

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Solution

The fourth proportional to 60,384.32, 90,559.20 and 18,820.16 is: 28,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,384.32 : 90,559.20 = 18,820.16 : x
  2. Step 2: Convert to fraction form
    60,384.32/90,559.20 = 18,820.16/x
  3. Step 3: Cross multiply
    60,384.32x = 90,559.20 × 18,820.16
  4. Step 4: Simplify right side
    60,384.32x = 1,704,338,633.47
  5. Step 5: Solve for x
    x = 1,704,338,633.47/60,384.32
  6. Step 6: Final answer
    x = 28,224.85

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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.