Home / 39,657.06-54,731.61-22,890.06

Finding the Fourth Proportional to 39,657.06, 54,731.61 and 22,890.06

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Solution

The fourth proportional to 39,657.06, 54,731.61 and 22,890.06 is: 31,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.06 : 54,731.61 = 22,890.06 : x
  2. Step 2: Convert to fraction form
    39,657.06/54,731.61 = 22,890.06/x
  3. Step 3: Cross multiply
    39,657.06x = 54,731.61 × 22,890.06
  4. Step 4: Simplify right side
    39,657.06x = 1,252,809,836.80
  5. Step 5: Solve for x
    x = 1,252,809,836.80/39,657.06
  6. Step 6: Final answer
    x = 31,591.09

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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.