Home / 31,160.06-43,000.86-17,012.92

Finding the Fourth Proportional to 31,160.06, 43,000.86 and 17,012.92

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Solution

The fourth proportional to 31,160.06, 43,000.86 and 17,012.92 is: 23,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.06 : 43,000.86 = 17,012.92 : x
  2. Step 2: Convert to fraction form
    31,160.06/43,000.86 = 17,012.92/x
  3. Step 3: Cross multiply
    31,160.06x = 43,000.86 × 17,012.92
  4. Step 4: Simplify right side
    31,160.06x = 731,570,191.11
  5. Step 5: Solve for x
    x = 731,570,191.11/31,160.06
  6. Step 6: Final answer
    x = 23,477.82

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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.