Home / 45,332.48-68,012.24-21,657.76

Finding the Fourth Proportional to 45,332.48, 68,012.24 and 21,657.76

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Solution

The fourth proportional to 45,332.48, 68,012.24 and 21,657.76 is: 32,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.48 : 68,012.24 = 21,657.76 : x
  2. Step 2: Convert to fraction form
    45,332.48/68,012.24 = 21,657.76/x
  3. Step 3: Cross multiply
    45,332.48x = 68,012.24 × 21,657.76
  4. Step 4: Simplify right side
    45,332.48x = 1,472,992,770.98
  5. Step 5: Solve for x
    x = 1,472,992,770.98/45,332.48
  6. Step 6: Final answer
    x = 32,493.10

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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.