Home / 38,947.80-53,754.96-37,172.91

Finding the Fourth Proportional to 38,947.80, 53,754.96 and 37,172.91

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Solution

The fourth proportional to 38,947.80, 53,754.96 and 37,172.91 is: 51,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.80 : 53,754.96 = 37,172.91 : x
  2. Step 2: Convert to fraction form
    38,947.80/53,754.96 = 37,172.91/x
  3. Step 3: Cross multiply
    38,947.80x = 53,754.96 × 37,172.91
  4. Step 4: Simplify right side
    38,947.80x = 1,998,228,290.13
  5. Step 5: Solve for x
    x = 1,998,228,290.13/38,947.80
  6. Step 6: Final answer
    x = 51,305.29

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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.