Home / 40,455.52-60,678.96-14,160.76

Finding the Fourth Proportional to 40,455.52, 60,678.96 and 14,160.76

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Solution

The fourth proportional to 40,455.52, 60,678.96 and 14,160.76 is: 21,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.52 : 60,678.96 = 14,160.76 : x
  2. Step 2: Convert to fraction form
    40,455.52/60,678.96 = 14,160.76/x
  3. Step 3: Cross multiply
    40,455.52x = 60,678.96 × 14,160.76
  4. Step 4: Simplify right side
    40,455.52x = 859,260,189.61
  5. Step 5: Solve for x
    x = 859,260,189.61/40,455.52
  6. Step 6: Final answer
    x = 21,239.63

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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.