Home / 30,499.92-45,778.77-15,719.04

Finding the Fourth Proportional to 30,499.92, 45,778.77 and 15,719.04

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Solution

The fourth proportional to 30,499.92, 45,778.77 and 15,719.04 is: 23,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499.92 : 45,778.77 = 15,719.04 : x
  2. Step 2: Convert to fraction form
    30,499.92/45,778.77 = 15,719.04/x
  3. Step 3: Cross multiply
    30,499.92x = 45,778.77 × 15,719.04
  4. Step 4: Simplify right side
    30,499.92x = 719,598,316.78
  5. Step 5: Solve for x
    x = 719,598,316.78/30,499.92
  6. Step 6: Final answer
    x = 23,593.45

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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.