Home / 69,824.64-96,342.12-39,602.76

Finding the Fourth Proportional to 69,824.64, 96,342.12 and 39,602.76

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Solution

The fourth proportional to 69,824.64, 96,342.12 and 39,602.76 is: 54,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,824.64 : 96,342.12 = 39,602.76 : x
  2. Step 2: Convert to fraction form
    69,824.64/96,342.12 = 39,602.76/x
  3. Step 3: Cross multiply
    69,824.64x = 96,342.12 × 39,602.76
  4. Step 4: Simplify right side
    69,824.64x = 3,815,413,856.25
  5. Step 5: Solve for x
    x = 3,815,413,856.25/69,824.64
  6. Step 6: Final answer
    x = 54,642.80

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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.