Home / 40,057.35-60,067.80-21,332.58

Finding the Fourth Proportional to 40,057.35, 60,067.80 and 21,332.58

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Solution

The fourth proportional to 40,057.35, 60,067.80 and 21,332.58 is: 31,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.35 : 60,067.80 = 21,332.58 : x
  2. Step 2: Convert to fraction form
    40,057.35/60,067.80 = 21,332.58/x
  3. Step 3: Cross multiply
    40,057.35x = 60,067.80 × 21,332.58
  4. Step 4: Simplify right side
    40,057.35x = 1,281,401,148.92
  5. Step 5: Solve for x
    x = 1,281,401,148.92/40,057.35
  6. Step 6: Final answer
    x = 31,989.16

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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.