Home / 40,403.30-60,580.17-15,416.55

Finding the Fourth Proportional to 40,403.30, 60,580.17 and 15,416.55

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Solution

The fourth proportional to 40,403.30, 60,580.17 and 15,416.55 is: 23,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.30 : 60,580.17 = 15,416.55 : x
  2. Step 2: Convert to fraction form
    40,403.30/60,580.17 = 15,416.55/x
  3. Step 3: Cross multiply
    40,403.30x = 60,580.17 × 15,416.55
  4. Step 4: Simplify right side
    40,403.30x = 933,937,219.81
  5. Step 5: Solve for x
    x = 933,937,219.81/40,403.30
  6. Step 6: Final answer
    x = 23,115.37

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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.