Home / 31,320.91-43,222.80-17,174.67

Finding the Fourth Proportional to 31,320.91, 43,222.80 and 17,174.67

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Solution

The fourth proportional to 31,320.91, 43,222.80 and 17,174.67 is: 23,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.91 : 43,222.80 = 17,174.67 : x
  2. Step 2: Convert to fraction form
    31,320.91/43,222.80 = 17,174.67/x
  3. Step 3: Cross multiply
    31,320.91x = 43,222.80 × 17,174.67
  4. Step 4: Simplify right side
    31,320.91x = 742,337,326.48
  5. Step 5: Solve for x
    x = 742,337,326.48/31,320.91
  6. Step 6: Final answer
    x = 23,701.01

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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.