Home / 69,948.80-96,530.40-38,117.60

Finding the Fourth Proportional to 69,948.80, 96,530.40 and 38,117.60

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Solution

The fourth proportional to 69,948.80, 96,530.40 and 38,117.60 is: 52,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,948.80 : 96,530.40 = 38,117.60 : x
  2. Step 2: Convert to fraction form
    69,948.80/96,530.40 = 38,117.60/x
  3. Step 3: Cross multiply
    69,948.80x = 96,530.40 × 38,117.60
  4. Step 4: Simplify right side
    69,948.80x = 3,679,507,175.04
  5. Step 5: Solve for x
    x = 3,679,507,175.04/69,948.80
  6. Step 6: Final answer
    x = 52,602.86

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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.