Home / 40,511.70-60,767.55-28,045.80

Finding the Fourth Proportional to 40,511.70, 60,767.55 and 28,045.80

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Solution

The fourth proportional to 40,511.70, 60,767.55 and 28,045.80 is: 42,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.70 : 60,767.55 = 28,045.80 : x
  2. Step 2: Convert to fraction form
    40,511.70/60,767.55 = 28,045.80/x
  3. Step 3: Cross multiply
    40,511.70x = 60,767.55 × 28,045.80
  4. Step 4: Simplify right side
    40,511.70x = 1,704,274,553.79
  5. Step 5: Solve for x
    x = 1,704,274,553.79/40,511.70
  6. Step 6: Final answer
    x = 42,068.70

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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.