Home / 55,728.38-83,449.85-30,740.65

Finding the Fourth Proportional to 55,728.38, 83,449.85 and 30,740.65

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Solution

The fourth proportional to 55,728.38, 83,449.85 and 30,740.65 is: 46,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728.38 : 83,449.85 = 30,740.65 : x
  2. Step 2: Convert to fraction form
    55,728.38/83,449.85 = 30,740.65/x
  3. Step 3: Cross multiply
    55,728.38x = 83,449.85 × 30,740.65
  4. Step 4: Simplify right side
    55,728.38x = 2,565,302,621.13
  5. Step 5: Solve for x
    x = 2,565,302,621.13/55,728.38
  6. Step 6: Final answer
    x = 46,032.25

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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.