Home / 54,636.02-75,399.12-30,763.56

Finding the Fourth Proportional to 54,636.02, 75,399.12 and 30,763.56

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Solution

The fourth proportional to 54,636.02, 75,399.12 and 30,763.56 is: 42,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,636.02 : 75,399.12 = 30,763.56 : x
  2. Step 2: Convert to fraction form
    54,636.02/75,399.12 = 30,763.56/x
  3. Step 3: Cross multiply
    54,636.02x = 75,399.12 × 30,763.56
  4. Step 4: Simplify right side
    54,636.02x = 2,319,545,352.07
  5. Step 5: Solve for x
    x = 2,319,545,352.07/54,636.02
  6. Step 6: Final answer
    x = 42,454.51

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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.