Home / 39,427.56-54,271.92-34,382.88

Finding the Fourth Proportional to 39,427.56, 54,271.92 and 34,382.88

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Solution

The fourth proportional to 39,427.56, 54,271.92 and 34,382.88 is: 47,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.56 : 54,271.92 = 34,382.88 : x
  2. Step 2: Convert to fraction form
    39,427.56/54,271.92 = 34,382.88/x
  3. Step 3: Cross multiply
    39,427.56x = 54,271.92 × 34,382.88
  4. Step 4: Simplify right side
    39,427.56x = 1,866,025,041.67
  5. Step 5: Solve for x
    x = 1,866,025,041.67/39,427.56
  6. Step 6: Final answer
    x = 47,327.94

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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.