Home / 69,959.61-96,546.30-38,130.57

Finding the Fourth Proportional to 69,959.61, 96,546.30 and 38,130.57

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Solution

The fourth proportional to 69,959.61, 96,546.30 and 38,130.57 is: 52,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,959.61 : 96,546.30 = 38,130.57 : x
  2. Step 2: Convert to fraction form
    69,959.61/96,546.30 = 38,130.57/x
  3. Step 3: Cross multiply
    69,959.61x = 96,546.30 × 38,130.57
  4. Step 4: Simplify right side
    69,959.61x = 3,681,365,450.39
  5. Step 5: Solve for x
    x = 3,681,365,450.39/69,959.61
  6. Step 6: Final answer
    x = 52,621.30

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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.