Home / 31,261.01-43,141.28-17,113.95

Finding the Fourth Proportional to 31,261.01, 43,141.28 and 17,113.95

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Solution

The fourth proportional to 31,261.01, 43,141.28 and 17,113.95 is: 23,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.01 : 43,141.28 = 17,113.95 : x
  2. Step 2: Convert to fraction form
    31,261.01/43,141.28 = 17,113.95/x
  3. Step 3: Cross multiply
    31,261.01x = 43,141.28 × 17,113.95
  4. Step 4: Simplify right side
    31,261.01x = 738,317,623.29
  5. Step 5: Solve for x
    x = 738,317,623.29/31,261.01
  6. Step 6: Final answer
    x = 23,617.85

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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.