Home / 69,743.80-96,248.10-39,532.20

Finding the Fourth Proportional to 69,743.80, 96,248.10 and 39,532.20

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Solution

The fourth proportional to 69,743.80, 96,248.10 and 39,532.20 is: 54,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,743.80 : 96,248.10 = 39,532.20 : x
  2. Step 2: Convert to fraction form
    69,743.80/96,248.10 = 39,532.20/x
  3. Step 3: Cross multiply
    69,743.80x = 96,248.10 × 39,532.20
  4. Step 4: Simplify right side
    69,743.80x = 3,804,899,138.82
  5. Step 5: Solve for x
    x = 3,804,899,138.82/69,743.80
  6. Step 6: Final answer
    x = 54,555.37

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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.