Home / 53,934.35-74,427.94-30,963.50

Finding the Fourth Proportional to 53,934.35, 74,427.94 and 30,963.50

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Solution

The fourth proportional to 53,934.35, 74,427.94 and 30,963.50 is: 42,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.35 : 74,427.94 = 30,963.50 : x
  2. Step 2: Convert to fraction form
    53,934.35/74,427.94 = 30,963.50/x
  3. Step 3: Cross multiply
    53,934.35x = 74,427.94 × 30,963.50
  4. Step 4: Simplify right side
    53,934.35x = 2,304,549,070.64
  5. Step 5: Solve for x
    x = 2,304,549,070.64/53,934.35
  6. Step 6: Final answer
    x = 42,728.78

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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.