Home / 70,747.82-97,629.92-38,916.70

Finding the Fourth Proportional to 70,747.82, 97,629.92 and 38,916.70

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Solution

The fourth proportional to 70,747.82, 97,629.92 and 38,916.70 is: 53,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,747.82 : 97,629.92 = 38,916.70 : x
  2. Step 2: Convert to fraction form
    70,747.82/97,629.92 = 38,916.70/x
  3. Step 3: Cross multiply
    70,747.82x = 97,629.92 × 38,916.70
  4. Step 4: Simplify right side
    70,747.82x = 3,799,434,307.66
  5. Step 5: Solve for x
    x = 3,799,434,307.66/70,747.82
  6. Step 6: Final answer
    x = 53,703.91

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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.