Home / 31,260.20-43,139.10-17,113.07

Finding the Fourth Proportional to 31,260.20, 43,139.10 and 17,113.07

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Solution

The fourth proportional to 31,260.20, 43,139.10 and 17,113.07 is: 23,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.20 : 43,139.10 = 17,113.07 : x
  2. Step 2: Convert to fraction form
    31,260.20/43,139.10 = 17,113.07/x
  3. Step 3: Cross multiply
    31,260.20x = 43,139.10 × 17,113.07
  4. Step 4: Simplify right side
    31,260.20x = 738,242,222.34
  5. Step 5: Solve for x
    x = 738,242,222.34/31,260.20
  6. Step 6: Final answer
    x = 23,616.05

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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.