Home / 31,263.95-43,142.55-17,114.06

Finding the Fourth Proportional to 31,263.95, 43,142.55 and 17,114.06

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Solution

The fourth proportional to 31,263.95, 43,142.55 and 17,114.06 is: 23,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.95 : 43,142.55 = 17,114.06 : x
  2. Step 2: Convert to fraction form
    31,263.95/43,142.55 = 17,114.06/x
  3. Step 3: Cross multiply
    31,263.95x = 43,142.55 × 17,114.06
  4. Step 4: Simplify right side
    31,263.95x = 738,344,189.25
  5. Step 5: Solve for x
    x = 738,344,189.25/31,263.95
  6. Step 6: Final answer
    x = 23,616.47

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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.