Home / 36,947.54-55,430.06-11,987.60

Finding the Fourth Proportional to 36,947.54, 55,430.06 and 11,987.60

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Solution

The fourth proportional to 36,947.54, 55,430.06 and 11,987.60 is: 17,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.54 : 55,430.06 = 11,987.60 : x
  2. Step 2: Convert to fraction form
    36,947.54/55,430.06 = 11,987.60/x
  3. Step 3: Cross multiply
    36,947.54x = 55,430.06 × 11,987.60
  4. Step 4: Simplify right side
    36,947.54x = 664,473,050.17
  5. Step 5: Solve for x
    x = 664,473,050.17/36,947.54
  6. Step 6: Final answer
    x = 17,984.23

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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.