Home / 31,866.13-43,976.15-17,719.93

Finding the Fourth Proportional to 31,866.13, 43,976.15 and 17,719.93

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Solution

The fourth proportional to 31,866.13, 43,976.15 and 17,719.93 is: 24,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.13 : 43,976.15 = 17,719.93 : x
  2. Step 2: Convert to fraction form
    31,866.13/43,976.15 = 17,719.93/x
  3. Step 3: Cross multiply
    31,866.13x = 43,976.15 × 17,719.93
  4. Step 4: Simplify right side
    31,866.13x = 779,254,299.67
  5. Step 5: Solve for x
    x = 779,254,299.67/31,866.13
  6. Step 6: Final answer
    x = 24,454.00

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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.