Home / 30,419.32-41,673.75-29,282.18

Finding the Fourth Proportional to 30,419.32, 41,673.75 and 29,282.18

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Solution

The fourth proportional to 30,419.32, 41,673.75 and 29,282.18 is: 40,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.32 : 41,673.75 = 29,282.18 : x
  2. Step 2: Convert to fraction form
    30,419.32/41,673.75 = 29,282.18/x
  3. Step 3: Cross multiply
    30,419.32x = 41,673.75 × 29,282.18
  4. Step 4: Simplify right side
    30,419.32x = 1,220,298,248.78
  5. Step 5: Solve for x
    x = 1,220,298,248.78/30,419.32
  6. Step 6: Final answer
    x = 40,115.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.