Home / 55,736.12-76,913.34-30,585.08

Finding the Fourth Proportional to 55,736.12, 76,913.34 and 30,585.08

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Solution

The fourth proportional to 55,736.12, 76,913.34 and 30,585.08 is: 42,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.12 : 76,913.34 = 30,585.08 : x
  2. Step 2: Convert to fraction form
    55,736.12/76,913.34 = 30,585.08/x
  3. Step 3: Cross multiply
    55,736.12x = 76,913.34 × 30,585.08
  4. Step 4: Simplify right side
    55,736.12x = 2,352,400,656.97
  5. Step 5: Solve for x
    x = 2,352,400,656.97/55,736.12
  6. Step 6: Final answer
    x = 42,206.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.