Home / 40,408.29-60,640.17-14,113.08

Finding the Fourth Proportional to 40,408.29, 60,640.17 and 14,113.08

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Solution

The fourth proportional to 40,408.29, 60,640.17 and 14,113.08 is: 21,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.29 : 60,640.17 = 14,113.08 : x
  2. Step 2: Convert to fraction form
    40,408.29/60,640.17 = 14,113.08/x
  3. Step 3: Cross multiply
    40,408.29x = 60,640.17 × 14,113.08
  4. Step 4: Simplify right side
    40,408.29x = 855,819,570.42
  5. Step 5: Solve for x
    x = 855,819,570.42/40,408.29
  6. Step 6: Final answer
    x = 21,179.31

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1.5x scale

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.