Home / 31,425.93-43,368.63-17,086.71

Finding the Fourth Proportional to 31,425.93, 43,368.63 and 17,086.71

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Solution

The fourth proportional to 31,425.93, 43,368.63 and 17,086.71 is: 23,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.93 : 43,368.63 = 17,086.71 : x
  2. Step 2: Convert to fraction form
    31,425.93/43,368.63 = 17,086.71/x
  3. Step 3: Cross multiply
    31,425.93x = 43,368.63 × 17,086.71
  4. Step 4: Simplify right side
    31,425.93x = 741,027,203.91
  5. Step 5: Solve for x
    x = 741,027,203.91/31,425.93
  6. Step 6: Final answer
    x = 23,580.12

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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.