Home / 70,747.26-97,629.60-38,915.49

Finding the Fourth Proportional to 70,747.26, 97,629.60 and 38,915.49

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Solution

The fourth proportional to 70,747.26, 97,629.60 and 38,915.49 is: 53,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,747.26 : 97,629.60 = 38,915.49 : x
  2. Step 2: Convert to fraction form
    70,747.26/97,629.60 = 38,915.49/x
  3. Step 3: Cross multiply
    70,747.26x = 97,629.60 × 38,915.49
  4. Step 4: Simplify right side
    70,747.26x = 3,799,303,722.50
  5. Step 5: Solve for x
    x = 3,799,303,722.50/70,747.26
  6. Step 6: Final answer
    x = 53,702.49

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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.