Home / 70,982.88-97,957.08-39,153

Finding the Fourth Proportional to 70,982.88, 97,957.08 and 39,153

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Solution

The fourth proportional to 70,982.88, 97,957.08 and 39,153 is: 54,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.88 : 97,957.08 = 39,153 : x
  2. Step 2: Convert to fraction form
    70,982.88/97,957.08 = 39,153/x
  3. Step 3: Cross multiply
    70,982.88x = 97,957.08 × 39,153
  4. Step 4: Simplify right side
    70,982.88x = 3,835,313,553.24
  5. Step 5: Solve for x
    x = 3,835,313,553.24/70,982.88
  6. Step 6: Final answer
    x = 54,031.53

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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.