Home / 40,853.63-61,280.49-12,773.83

Finding the Fourth Proportional to 40,853.63, 61,280.49 and 12,773.83

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Solution

The fourth proportional to 40,853.63, 61,280.49 and 12,773.83 is: 19,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,853.63 : 61,280.49 = 12,773.83 : x
  2. Step 2: Convert to fraction form
    40,853.63/61,280.49 = 12,773.83/x
  3. Step 3: Cross multiply
    40,853.63x = 61,280.49 × 12,773.83
  4. Step 4: Simplify right side
    40,853.63x = 782,786,561.58
  5. Step 5: Solve for x
    x = 782,786,561.58/40,853.63
  6. Step 6: Final answer
    x = 19,160.76

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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.