Home / 71,427.06-98,574.30-39,598.92

Finding the Fourth Proportional to 71,427.06, 98,574.30 and 39,598.92

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Solution

The fourth proportional to 71,427.06, 98,574.30 and 39,598.92 is: 54,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.06 : 98,574.30 = 39,598.92 : x
  2. Step 2: Convert to fraction form
    71,427.06/98,574.30 = 39,598.92/x
  3. Step 3: Cross multiply
    71,427.06x = 98,574.30 × 39,598.92
  4. Step 4: Simplify right side
    71,427.06x = 3,903,435,819.76
  5. Step 5: Solve for x
    x = 3,903,435,819.76/71,427.06
  6. Step 6: Final answer
    x = 54,649.26

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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.