Home / 54,320.07-74,963.88-30,446.58

Finding the Fourth Proportional to 54,320.07, 74,963.88 and 30,446.58

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Solution

The fourth proportional to 54,320.07, 74,963.88 and 30,446.58 is: 42,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.07 : 74,963.88 = 30,446.58 : x
  2. Step 2: Convert to fraction form
    54,320.07/74,963.88 = 30,446.58/x
  3. Step 3: Cross multiply
    54,320.07x = 74,963.88 × 30,446.58
  4. Step 4: Simplify right side
    54,320.07x = 2,282,393,769.53
  5. Step 5: Solve for x
    x = 2,282,393,769.53/54,320.07
  6. Step 6: Final answer
    x = 42,017.50

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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.