Home / 31,710.69-43,773.14-18,293.45

Finding the Fourth Proportional to 31,710.69, 43,773.14 and 18,293.45

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Solution

The fourth proportional to 31,710.69, 43,773.14 and 18,293.45 is: 25,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.69 : 43,773.14 = 18,293.45 : x
  2. Step 2: Convert to fraction form
    31,710.69/43,773.14 = 18,293.45/x
  3. Step 3: Cross multiply
    31,710.69x = 43,773.14 × 18,293.45
  4. Step 4: Simplify right side
    31,710.69x = 800,761,574.80
  5. Step 5: Solve for x
    x = 800,761,574.80/31,710.69
  6. Step 6: Final answer
    x = 25,252.10

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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.