Home / 54,693.33-75,475.31-30,818.58

Finding the Fourth Proportional to 54,693.33, 75,475.31 and 30,818.58

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Solution

The fourth proportional to 54,693.33, 75,475.31 and 30,818.58 is: 42,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.33 : 75,475.31 = 30,818.58 : x
  2. Step 2: Convert to fraction form
    54,693.33/75,475.31 = 30,818.58/x
  3. Step 3: Cross multiply
    54,693.33x = 75,475.31 × 30,818.58
  4. Step 4: Simplify right side
    54,693.33x = 2,326,041,725.17
  5. Step 5: Solve for x
    x = 2,326,041,725.17/54,693.33
  6. Step 6: Final answer
    x = 42,528.80

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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.