Home / 36,271.28-54,406.78-11,312.75

Finding the Fourth Proportional to 36,271.28, 54,406.78 and 11,312.75

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Solution

The fourth proportional to 36,271.28, 54,406.78 and 11,312.75 is: 16,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,271.28 : 54,406.78 = 11,312.75 : x
  2. Step 2: Convert to fraction form
    36,271.28/54,406.78 = 11,312.75/x
  3. Step 3: Cross multiply
    36,271.28x = 54,406.78 × 11,312.75
  4. Step 4: Simplify right side
    36,271.28x = 615,490,300.45
  5. Step 5: Solve for x
    x = 615,490,300.45/36,271.28
  6. Step 6: Final answer
    x = 16,969.08

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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.