Home / 31,260.87-43,140.01-17,113.72

Finding the Fourth Proportional to 31,260.87, 43,140.01 and 17,113.72

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Solution

The fourth proportional to 31,260.87, 43,140.01 and 17,113.72 is: 23,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.87 : 43,140.01 = 17,113.72 : x
  2. Step 2: Convert to fraction form
    31,260.87/43,140.01 = 17,113.72/x
  3. Step 3: Cross multiply
    31,260.87x = 43,140.01 × 17,113.72
  4. Step 4: Simplify right side
    31,260.87x = 738,285,750.67
  5. Step 5: Solve for x
    x = 738,285,750.67/31,260.87
  6. Step 6: Final answer
    x = 23,616.93

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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.