Home / 71,324.90-98,427.21-39,493.70

Finding the Fourth Proportional to 71,324.90, 98,427.21 and 39,493.70

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Solution

The fourth proportional to 71,324.90, 98,427.21 and 39,493.70 is: 54,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,324.90 : 98,427.21 = 39,493.70 : x
  2. Step 2: Convert to fraction form
    71,324.90/98,427.21 = 39,493.70/x
  3. Step 3: Cross multiply
    71,324.90x = 98,427.21 × 39,493.70
  4. Step 4: Simplify right side
    71,324.90x = 3,887,254,703.58
  5. Step 5: Solve for x
    x = 3,887,254,703.58/71,324.90
  6. Step 6: Final answer
    x = 54,500.67

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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.