Home / 40,408.15-55,734.56-34,316.33

Finding the Fourth Proportional to 40,408.15, 55,734.56 and 34,316.33

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Solution

The fourth proportional to 40,408.15, 55,734.56 and 34,316.33 is: 47,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.15 : 55,734.56 = 34,316.33 : x
  2. Step 2: Convert to fraction form
    40,408.15/55,734.56 = 34,316.33/x
  3. Step 3: Cross multiply
    40,408.15x = 55,734.56 × 34,316.33
  4. Step 4: Simplify right side
    40,408.15x = 1,912,605,360.48
  5. Step 5: Solve for x
    x = 1,912,605,360.48/40,408.15
  6. Step 6: Final answer
    x = 47,332.17

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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.