Home / 31,096.04-42,912.65-17,671.77

Finding the Fourth Proportional to 31,096.04, 42,912.65 and 17,671.77

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Solution

The fourth proportional to 31,096.04, 42,912.65 and 17,671.77 is: 24,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,096.04 : 42,912.65 = 17,671.77 : x
  2. Step 2: Convert to fraction form
    31,096.04/42,912.65 = 17,671.77/x
  3. Step 3: Cross multiply
    31,096.04x = 42,912.65 × 17,671.77
  4. Step 4: Simplify right side
    31,096.04x = 758,342,525.07
  5. Step 5: Solve for x
    x = 758,342,525.07/31,096.04
  6. Step 6: Final answer
    x = 24,387.11

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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.