Home / 31,359.92-43,276.71-17,019.74

Finding the Fourth Proportional to 31,359.92, 43,276.71 and 17,019.74

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Solution

The fourth proportional to 31,359.92, 43,276.71 and 17,019.74 is: 23,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.92 : 43,276.71 = 17,019.74 : x
  2. Step 2: Convert to fraction form
    31,359.92/43,276.71 = 17,019.74/x
  3. Step 3: Cross multiply
    31,359.92x = 43,276.71 × 17,019.74
  4. Step 4: Simplify right side
    31,359.92x = 736,558,267.16
  5. Step 5: Solve for x
    x = 736,558,267.16/31,359.92
  6. Step 6: Final answer
    x = 23,487.25

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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.