Home / 29,219.60-40,322.04-18,470.33

Finding the Fourth Proportional to 29,219.60, 40,322.04 and 18,470.33

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Solution

The fourth proportional to 29,219.60, 40,322.04 and 18,470.33 is: 25,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.60 : 40,322.04 = 18,470.33 : x
  2. Step 2: Convert to fraction form
    29,219.60/40,322.04 = 18,470.33/x
  3. Step 3: Cross multiply
    29,219.60x = 40,322.04 × 18,470.33
  4. Step 4: Simplify right side
    29,219.60x = 744,761,265.41
  5. Step 5: Solve for x
    x = 744,761,265.41/29,219.60
  6. Step 6: Final answer
    x = 25,488.41

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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.