Home / 40,899.44-61,347.40-12,818.92

Finding the Fourth Proportional to 40,899.44, 61,347.40 and 12,818.92

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Solution

The fourth proportional to 40,899.44, 61,347.40 and 12,818.92 is: 19,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.44 : 61,347.40 = 12,818.92 : x
  2. Step 2: Convert to fraction form
    40,899.44/61,347.40 = 12,818.92/x
  3. Step 3: Cross multiply
    40,899.44x = 61,347.40 × 12,818.92
  4. Step 4: Simplify right side
    40,899.44x = 786,407,412.81
  5. Step 5: Solve for x
    x = 786,407,412.81/40,899.44
  6. Step 6: Final answer
    x = 19,227.83

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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.