Home / 30,418.32-41,672.38-29,281.18

Finding the Fourth Proportional to 30,418.32, 41,672.38 and 29,281.18

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Solution

The fourth proportional to 30,418.32, 41,672.38 and 29,281.18 is: 40,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.32 : 41,672.38 = 29,281.18 : x
  2. Step 2: Convert to fraction form
    30,418.32/41,672.38 = 29,281.18/x
  3. Step 3: Cross multiply
    30,418.32x = 41,672.38 × 29,281.18
  4. Step 4: Simplify right side
    30,418.32x = 1,220,216,459.81
  5. Step 5: Solve for x
    x = 1,220,216,459.81/30,418.32
  6. Step 6: Final answer
    x = 40,114.53

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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.