Home / 63,719.03-87,895.92-39,508.94

Finding the Fourth Proportional to 63,719.03, 87,895.92 and 39,508.94

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Solution

The fourth proportional to 63,719.03, 87,895.92 and 39,508.94 is: 54,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,719.03 : 87,895.92 = 39,508.94 : x
  2. Step 2: Convert to fraction form
    63,719.03/87,895.92 = 39,508.94/x
  3. Step 3: Cross multiply
    63,719.03x = 87,895.92 × 39,508.94
  4. Step 4: Simplify right side
    63,719.03x = 3,472,674,190.05
  5. Step 5: Solve for x
    x = 3,472,674,190.05/63,719.03
  6. Step 6: Final answer
    x = 54,499.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.