Home / 31,320.41-43,222.11-17,174.17

Finding the Fourth Proportional to 31,320.41, 43,222.11 and 17,174.17

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Solution

The fourth proportional to 31,320.41, 43,222.11 and 17,174.17 is: 23,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.41 : 43,222.11 = 17,174.17 : x
  2. Step 2: Convert to fraction form
    31,320.41/43,222.11 = 17,174.17/x
  3. Step 3: Cross multiply
    31,320.41x = 43,222.11 × 17,174.17
  4. Step 4: Simplify right side
    31,320.41x = 742,303,864.90
  5. Step 5: Solve for x
    x = 742,303,864.90/31,320.41
  6. Step 6: Final answer
    x = 23,700.32

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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.