Home / 66,278.08-99,345.03-33,022.72

Finding the Fourth Proportional to 66,278.08, 99,345.03 and 33,022.72

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Solution

The fourth proportional to 66,278.08, 99,345.03 and 33,022.72 is: 49,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.08 : 99,345.03 = 33,022.72 : x
  2. Step 2: Convert to fraction form
    66,278.08/99,345.03 = 33,022.72/x
  3. Step 3: Cross multiply
    66,278.08x = 99,345.03 × 33,022.72
  4. Step 4: Simplify right side
    66,278.08x = 3,280,643,109.08
  5. Step 5: Solve for x
    x = 3,280,643,109.08/66,278.08
  6. Step 6: Final answer
    x = 49,498.16

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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.