Home / 31,309.04-43,206.54-17,162.80

Finding the Fourth Proportional to 31,309.04, 43,206.54 and 17,162.80

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Solution

The fourth proportional to 31,309.04, 43,206.54 and 17,162.80 is: 23,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.04 : 43,206.54 = 17,162.80 : x
  2. Step 2: Convert to fraction form
    31,309.04/43,206.54 = 17,162.80/x
  3. Step 3: Cross multiply
    31,309.04x = 43,206.54 × 17,162.80
  4. Step 4: Simplify right side
    31,309.04x = 741,545,204.71
  5. Step 5: Solve for x
    x = 741,545,204.71/31,309.04
  6. Step 6: Final answer
    x = 23,684.70

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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.