Home / 29,118.60-40,167.48-17,790.72

Finding the Fourth Proportional to 29,118.60, 40,167.48 and 17,790.72

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Solution

The fourth proportional to 29,118.60, 40,167.48 and 17,790.72 is: 24,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.60 : 40,167.48 = 17,790.72 : x
  2. Step 2: Convert to fraction form
    29,118.60/40,167.48 = 17,790.72/x
  3. Step 3: Cross multiply
    29,118.60x = 40,167.48 × 17,790.72
  4. Step 4: Simplify right side
    29,118.60x = 714,608,389.79
  5. Step 5: Solve for x
    x = 714,608,389.79/29,118.60
  6. Step 6: Final answer
    x = 24,541.30

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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.