Home / 36,275.64-54,412.03-9,979.66

Finding the Fourth Proportional to 36,275.64, 54,412.03 and 9,979.66

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Solution

The fourth proportional to 36,275.64, 54,412.03 and 9,979.66 is: 14,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,275.64 : 54,412.03 = 9,979.66 : x
  2. Step 2: Convert to fraction form
    36,275.64/54,412.03 = 9,979.66/x
  3. Step 3: Cross multiply
    36,275.64x = 54,412.03 × 9,979.66
  4. Step 4: Simplify right side
    36,275.64x = 543,013,559.31
  5. Step 5: Solve for x
    x = 543,013,559.31/36,275.64
  6. Step 6: Final answer
    x = 14,969.10

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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.