Home / 63,215.32-87,254.50-39,327.74

Finding the Fourth Proportional to 63,215.32, 87,254.50 and 39,327.74

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Solution

The fourth proportional to 63,215.32, 87,254.50 and 39,327.74 is: 54,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,215.32 : 87,254.50 = 39,327.74 : x
  2. Step 2: Convert to fraction form
    63,215.32/87,254.50 = 39,327.74/x
  3. Step 3: Cross multiply
    63,215.32x = 87,254.50 × 39,327.74
  4. Step 4: Simplify right side
    63,215.32x = 3,431,522,289.83
  5. Step 5: Solve for x
    x = 3,431,522,289.83/63,215.32
  6. Step 6: Final answer
    x = 54,283.08

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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.