Home / 40,229.60-60,320.16-18,038.96

Finding the Fourth Proportional to 40,229.60, 60,320.16 and 18,038.96

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Solution

The fourth proportional to 40,229.60, 60,320.16 and 18,038.96 is: 27,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.60 : 60,320.16 = 18,038.96 : x
  2. Step 2: Convert to fraction form
    40,229.60/60,320.16 = 18,038.96/x
  3. Step 3: Cross multiply
    40,229.60x = 60,320.16 × 18,038.96
  4. Step 4: Simplify right side
    40,229.60x = 1,088,112,953.43
  5. Step 5: Solve for x
    x = 1,088,112,953.43/40,229.60
  6. Step 6: Final answer
    x = 27,047.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.