Home / 29,220.60-40,323.42-18,471.33

Finding the Fourth Proportional to 29,220.60, 40,323.42 and 18,471.33

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Solution

The fourth proportional to 29,220.60, 40,323.42 and 18,471.33 is: 25,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.60 : 40,323.42 = 18,471.33 : x
  2. Step 2: Convert to fraction form
    29,220.60/40,323.42 = 18,471.33/x
  3. Step 3: Cross multiply
    29,220.60x = 40,323.42 × 18,471.33
  4. Step 4: Simplify right side
    29,220.60x = 744,827,197.55
  5. Step 5: Solve for x
    x = 744,827,197.55/29,220.60
  6. Step 6: Final answer
    x = 25,489.80

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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.