Home / 31,557.65-43,550-17,410.80

Finding the Fourth Proportional to 31,557.65, 43,550 and 17,410.80

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Solution

The fourth proportional to 31,557.65, 43,550 and 17,410.80 is: 24,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.65 : 43,550 = 17,410.80 : x
  2. Step 2: Convert to fraction form
    31,557.65/43,550 = 17,410.80/x
  3. Step 3: Cross multiply
    31,557.65x = 43,550 × 17,410.80
  4. Step 4: Simplify right side
    31,557.65x = 758,240,340
  5. Step 5: Solve for x
    x = 758,240,340/31,557.65
  6. Step 6: Final answer
    x = 24,027.15

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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.