Home / 31,320.27-43,223.22-17,173.62

Finding the Fourth Proportional to 31,320.27, 43,223.22 and 17,173.62

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Solution

The fourth proportional to 31,320.27, 43,223.22 and 17,173.62 is: 23,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.27 : 43,223.22 = 17,173.62 : x
  2. Step 2: Convert to fraction form
    31,320.27/43,223.22 = 17,173.62/x
  3. Step 3: Cross multiply
    31,320.27x = 43,223.22 × 17,173.62
  4. Step 4: Simplify right side
    31,320.27x = 742,299,155.46
  5. Step 5: Solve for x
    x = 742,299,155.46/31,320.27
  6. Step 6: Final answer
    x = 23,700.28

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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.