Home / 23,117.33-34,608.40-20,901.31

Finding the Fourth Proportional to 23,117.33, 34,608.40 and 20,901.31

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Solution

The fourth proportional to 23,117.33, 34,608.40 and 20,901.31 is: 31,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.33 : 34,608.40 = 20,901.31 : x
  2. Step 2: Convert to fraction form
    23,117.33/34,608.40 = 20,901.31/x
  3. Step 3: Cross multiply
    23,117.33x = 34,608.40 × 20,901.31
  4. Step 4: Simplify right side
    23,117.33x = 723,360,758.23
  5. Step 5: Solve for x
    x = 723,360,758.23/23,117.33
  6. Step 6: Final answer
    x = 31,290.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.