Home / 40,589.90-60,884.96-12,509.05

Finding the Fourth Proportional to 40,589.90, 60,884.96 and 12,509.05

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Solution

The fourth proportional to 40,589.90, 60,884.96 and 12,509.05 is: 18,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,589.90 : 60,884.96 = 12,509.05 : x
  2. Step 2: Convert to fraction form
    40,589.90/60,884.96 = 12,509.05/x
  3. Step 3: Cross multiply
    40,589.90x = 60,884.96 × 12,509.05
  4. Step 4: Simplify right side
    40,589.90x = 761,613,008.89
  5. Step 5: Solve for x
    x = 761,613,008.89/40,589.90
  6. Step 6: Final answer
    x = 18,763.61

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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.