Home / 36,281.66-54,406.08-12,908.72

Finding the Fourth Proportional to 36,281.66, 54,406.08 and 12,908.72

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Solution

The fourth proportional to 36,281.66, 54,406.08 and 12,908.72 is: 19,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.66 : 54,406.08 = 12,908.72 : x
  2. Step 2: Convert to fraction form
    36,281.66/54,406.08 = 12,908.72/x
  3. Step 3: Cross multiply
    36,281.66x = 54,406.08 × 12,908.72
  4. Step 4: Simplify right side
    36,281.66x = 702,312,853.02
  5. Step 5: Solve for x
    x = 702,312,853.02/36,281.66
  6. Step 6: Final answer
    x = 19,357.24

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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.