Home / 31,738.10-43,787.76-18,116.36

Finding the Fourth Proportional to 31,738.10, 43,787.76 and 18,116.36

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Solution

The fourth proportional to 31,738.10, 43,787.76 and 18,116.36 is: 24,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.10 : 43,787.76 = 18,116.36 : x
  2. Step 2: Convert to fraction form
    31,738.10/43,787.76 = 18,116.36/x
  3. Step 3: Cross multiply
    31,738.10x = 43,787.76 × 18,116.36
  4. Step 4: Simplify right side
    31,738.10x = 793,274,823.75
  5. Step 5: Solve for x
    x = 793,274,823.75/31,738.10
  6. Step 6: Final answer
    x = 24,994.40

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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.