Home / 49,293.12-73,937.28-18,126.40

Finding the Fourth Proportional to 49,293.12, 73,937.28 and 18,126.40

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Solution

The fourth proportional to 49,293.12, 73,937.28 and 18,126.40 is: 27,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,293.12 : 73,937.28 = 18,126.40 : x
  2. Step 2: Convert to fraction form
    49,293.12/73,937.28 = 18,126.40/x
  3. Step 3: Cross multiply
    49,293.12x = 73,937.28 × 18,126.40
  4. Step 4: Simplify right side
    49,293.12x = 1,340,216,712.19
  5. Step 5: Solve for x
    x = 1,340,216,712.19/49,293.12
  6. Step 6: Final answer
    x = 27,188.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.