Home / 31,417.75-43,356.56-17,270.70

Finding the Fourth Proportional to 31,417.75, 43,356.56 and 17,270.70

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Solution

The fourth proportional to 31,417.75, 43,356.56 and 17,270.70 is: 23,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417.75 : 43,356.56 = 17,270.70 : x
  2. Step 2: Convert to fraction form
    31,417.75/43,356.56 = 17,270.70/x
  3. Step 3: Cross multiply
    31,417.75x = 43,356.56 × 17,270.70
  4. Step 4: Simplify right side
    31,417.75x = 748,798,140.79
  5. Step 5: Solve for x
    x = 748,798,140.79/31,417.75
  6. Step 6: Final answer
    x = 23,833.60

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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.