Home / 45,337.79-68,006.59-12,057.86

Finding the Fourth Proportional to 45,337.79, 68,006.59 and 12,057.86

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Solution

The fourth proportional to 45,337.79, 68,006.59 and 12,057.86 is: 18,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,337.79 : 68,006.59 = 12,057.86 : x
  2. Step 2: Convert to fraction form
    45,337.79/68,006.59 = 12,057.86/x
  3. Step 3: Cross multiply
    45,337.79x = 68,006.59 × 12,057.86
  4. Step 4: Simplify right side
    45,337.79x = 820,013,941.30
  5. Step 5: Solve for x
    x = 820,013,941.30/45,337.79
  6. Step 6: Final answer
    x = 18,086.76

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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.