Home / 70,746.66-97,628.76-38,915.28

Finding the Fourth Proportional to 70,746.66, 97,628.76 and 38,915.28

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Solution

The fourth proportional to 70,746.66, 97,628.76 and 38,915.28 is: 53,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.66 : 97,628.76 = 38,915.28 : x
  2. Step 2: Convert to fraction form
    70,746.66/97,628.76 = 38,915.28/x
  3. Step 3: Cross multiply
    70,746.66x = 97,628.76 × 38,915.28
  4. Step 4: Simplify right side
    70,746.66x = 3,799,250,531.45
  5. Step 5: Solve for x
    x = 3,799,250,531.45/70,746.66
  6. Step 6: Final answer
    x = 53,702.19

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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.