Home / 31,260.95-43,140.14-17,113.82

Finding the Fourth Proportional to 31,260.95, 43,140.14 and 17,113.82

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Solution

The fourth proportional to 31,260.95, 43,140.14 and 17,113.82 is: 23,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.95 : 43,140.14 = 17,113.82 : x
  2. Step 2: Convert to fraction form
    31,260.95/43,140.14 = 17,113.82/x
  3. Step 3: Cross multiply
    31,260.95x = 43,140.14 × 17,113.82
  4. Step 4: Simplify right side
    31,260.95x = 738,292,289.47
  5. Step 5: Solve for x
    x = 738,292,289.47/31,260.95
  6. Step 6: Final answer
    x = 23,617.08

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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.