Home / 54,624.78-75,382.02-30,751.56

Finding the Fourth Proportional to 54,624.78, 75,382.02 and 30,751.56

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Solution

The fourth proportional to 54,624.78, 75,382.02 and 30,751.56 is: 42,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,624.78 : 75,382.02 = 30,751.56 : x
  2. Step 2: Convert to fraction form
    54,624.78/75,382.02 = 30,751.56/x
  3. Step 3: Cross multiply
    54,624.78x = 75,382.02 × 30,751.56
  4. Step 4: Simplify right side
    54,624.78x = 2,318,114,710.95
  5. Step 5: Solve for x
    x = 2,318,114,710.95/54,624.78
  6. Step 6: Final answer
    x = 42,437.05

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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.