Home / 36,947.52-55,430.04-11,987.61

Finding the Fourth Proportional to 36,947.52, 55,430.04 and 11,987.61

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Solution

The fourth proportional to 36,947.52, 55,430.04 and 11,987.61 is: 17,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.52 : 55,430.04 = 11,987.61 : x
  2. Step 2: Convert to fraction form
    36,947.52/55,430.04 = 11,987.61/x
  3. Step 3: Cross multiply
    36,947.52x = 55,430.04 × 11,987.61
  4. Step 4: Simplify right side
    36,947.52x = 664,473,701.80
  5. Step 5: Solve for x
    x = 664,473,701.80/36,947.52
  6. Step 6: Final answer
    x = 17,984.26

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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.