Home / 71,275.56-98,350.20-39,444.36

Finding the Fourth Proportional to 71,275.56, 98,350.20 and 39,444.36

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Solution

The fourth proportional to 71,275.56, 98,350.20 and 39,444.36 is: 54,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,275.56 : 98,350.20 = 39,444.36 : x
  2. Step 2: Convert to fraction form
    71,275.56/98,350.20 = 39,444.36/x
  3. Step 3: Cross multiply
    71,275.56x = 98,350.20 × 39,444.36
  4. Step 4: Simplify right side
    71,275.56x = 3,879,360,694.87
  5. Step 5: Solve for x
    x = 3,879,360,694.87/71,275.56
  6. Step 6: Final answer
    x = 54,427.64

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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.