Home / 36,928.32-55,386.88-11,965.12

Finding the Fourth Proportional to 36,928.32, 55,386.88 and 11,965.12

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Solution

The fourth proportional to 36,928.32, 55,386.88 and 11,965.12 is: 17,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,928.32 : 55,386.88 = 11,965.12 : x
  2. Step 2: Convert to fraction form
    36,928.32/55,386.88 = 11,965.12/x
  3. Step 3: Cross multiply
    36,928.32x = 55,386.88 × 11,965.12
  4. Step 4: Simplify right side
    36,928.32x = 662,710,665.63
  5. Step 5: Solve for x
    x = 662,710,665.63/36,928.32
  6. Step 6: Final answer
    x = 17,945.87

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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.