Home / 60,319.28-90,468.84-18,763.04

Finding the Fourth Proportional to 60,319.28, 90,468.84 and 18,763.04

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Solution

The fourth proportional to 60,319.28, 90,468.84 and 18,763.04 is: 28,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,319.28 : 90,468.84 = 18,763.04 : x
  2. Step 2: Convert to fraction form
    60,319.28/90,468.84 = 18,763.04/x
  3. Step 3: Cross multiply
    60,319.28x = 90,468.84 × 18,763.04
  4. Step 4: Simplify right side
    60,319.28x = 1,697,470,463.67
  5. Step 5: Solve for x
    x = 1,697,470,463.67/60,319.28
  6. Step 6: Final answer
    x = 28,141.42

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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.