Home / 43,332.12-64,998.20-15,630.12

Finding the Fourth Proportional to 43,332.12, 64,998.20 and 15,630.12

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Solution

The fourth proportional to 43,332.12, 64,998.20 and 15,630.12 is: 23,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.12 : 64,998.20 = 15,630.12 : x
  2. Step 2: Convert to fraction form
    43,332.12/64,998.20 = 15,630.12/x
  3. Step 3: Cross multiply
    43,332.12x = 64,998.20 × 15,630.12
  4. Step 4: Simplify right side
    43,332.12x = 1,015,929,665.78
  5. Step 5: Solve for x
    x = 1,015,929,665.78/43,332.12
  6. Step 6: Final answer
    x = 23,445.19

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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.