Home / 48,277.08-66,638.70-30,402

Finding the Fourth Proportional to 48,277.08, 66,638.70 and 30,402

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Solution

The fourth proportional to 48,277.08, 66,638.70 and 30,402 is: 41,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.08 : 66,638.70 = 30,402 : x
  2. Step 2: Convert to fraction form
    48,277.08/66,638.70 = 30,402/x
  3. Step 3: Cross multiply
    48,277.08x = 66,638.70 × 30,402
  4. Step 4: Simplify right side
    48,277.08x = 2,025,949,757.40
  5. Step 5: Solve for x
    x = 2,025,949,757.40/48,277.08
  6. Step 6: Final answer
    x = 41,965.04

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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.