Home / 63,394.20-87,430.84-40,736.88

Finding the Fourth Proportional to 63,394.20, 87,430.84 and 40,736.88

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Solution

The fourth proportional to 63,394.20, 87,430.84 and 40,736.88 is: 56,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394.20 : 87,430.84 = 40,736.88 : x
  2. Step 2: Convert to fraction form
    63,394.20/87,430.84 = 40,736.88/x
  3. Step 3: Cross multiply
    63,394.20x = 87,430.84 × 40,736.88
  4. Step 4: Simplify right side
    63,394.20x = 3,561,659,637.38
  5. Step 5: Solve for x
    x = 3,561,659,637.38/63,394.20
  6. Step 6: Final answer
    x = 56,182.74

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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.