Home / 54,656.42-75,426.83-30,783.95

Finding the Fourth Proportional to 54,656.42, 75,426.83 and 30,783.95

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Solution

The fourth proportional to 54,656.42, 75,426.83 and 30,783.95 is: 42,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.42 : 75,426.83 = 30,783.95 : x
  2. Step 2: Convert to fraction form
    54,656.42/75,426.83 = 30,783.95/x
  3. Step 3: Cross multiply
    54,656.42x = 75,426.83 × 30,783.95
  4. Step 4: Simplify right side
    54,656.42x = 2,321,935,630.62
  5. Step 5: Solve for x
    x = 2,321,935,630.62/54,656.42
  6. Step 6: Final answer
    x = 42,482.39

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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.