Home / 70,636.73-97,480.49-38,806.43

Finding the Fourth Proportional to 70,636.73, 97,480.49 and 38,806.43

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Solution

The fourth proportional to 70,636.73, 97,480.49 and 38,806.43 is: 53,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.73 : 97,480.49 = 38,806.43 : x
  2. Step 2: Convert to fraction form
    70,636.73/97,480.49 = 38,806.43/x
  3. Step 3: Cross multiply
    70,636.73x = 97,480.49 × 38,806.43
  4. Step 4: Simplify right side
    70,636.73x = 3,782,869,130.12
  5. Step 5: Solve for x
    x = 3,782,869,130.12/70,636.73
  6. Step 6: Final answer
    x = 53,553.86

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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.