Home / 36,931.28-50,965.08-20,164.40

Finding the Fourth Proportional to 36,931.28, 50,965.08 and 20,164.40

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Solution

The fourth proportional to 36,931.28, 50,965.08 and 20,164.40 is: 27,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.28 : 50,965.08 = 20,164.40 : x
  2. Step 2: Convert to fraction form
    36,931.28/50,965.08 = 20,164.40/x
  3. Step 3: Cross multiply
    36,931.28x = 50,965.08 × 20,164.40
  4. Step 4: Simplify right side
    36,931.28x = 1,027,680,259.15
  5. Step 5: Solve for x
    x = 1,027,680,259.15/36,931.28
  6. Step 6: Final answer
    x = 27,826.82

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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.