Home / 31,401.12-43,334.34-17,254.32

Finding the Fourth Proportional to 31,401.12, 43,334.34 and 17,254.32

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Solution

The fourth proportional to 31,401.12, 43,334.34 and 17,254.32 is: 23,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.12 : 43,334.34 = 17,254.32 : x
  2. Step 2: Convert to fraction form
    31,401.12/43,334.34 = 17,254.32/x
  3. Step 3: Cross multiply
    31,401.12x = 43,334.34 × 17,254.32
  4. Step 4: Simplify right side
    31,401.12x = 747,704,569.35
  5. Step 5: Solve for x
    x = 747,704,569.35/31,401.12
  6. Step 6: Final answer
    x = 23,811.40

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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.