Home / 54,799-75,621.32-30,925.04

Finding the Fourth Proportional to 54,799, 75,621.32 and 30,925.04

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Solution

The fourth proportional to 54,799, 75,621.32 and 30,925.04 is: 42,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,799 : 75,621.32 = 30,925.04 : x
  2. Step 2: Convert to fraction form
    54,799/75,621.32 = 30,925.04/x
  3. Step 3: Cross multiply
    54,799x = 75,621.32 × 30,925.04
  4. Step 4: Simplify right side
    54,799x = 2,338,592,345.85
  5. Step 5: Solve for x
    x = 2,338,592,345.85/54,799
  6. Step 6: Final answer
    x = 42,675.82

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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.