Home / 54,530.70-75,253.08-30,655.98

Finding the Fourth Proportional to 54,530.70, 75,253.08 and 30,655.98

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Solution

The fourth proportional to 54,530.70, 75,253.08 and 30,655.98 is: 42,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.70 : 75,253.08 = 30,655.98 : x
  2. Step 2: Convert to fraction form
    54,530.70/75,253.08 = 30,655.98/x
  3. Step 3: Cross multiply
    54,530.70x = 75,253.08 × 30,655.98
  4. Step 4: Simplify right side
    54,530.70x = 2,306,956,915.42
  5. Step 5: Solve for x
    x = 2,306,956,915.42/54,530.70
  6. Step 6: Final answer
    x = 42,305.65

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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.