Home / 48,823.36-67,364.92-28,679.20

Finding the Fourth Proportional to 48,823.36, 67,364.92 and 28,679.20

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Solution

The fourth proportional to 48,823.36, 67,364.92 and 28,679.20 is: 39,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,823.36 : 67,364.92 = 28,679.20 : x
  2. Step 2: Convert to fraction form
    48,823.36/67,364.92 = 28,679.20/x
  3. Step 3: Cross multiply
    48,823.36x = 67,364.92 × 28,679.20
  4. Step 4: Simplify right side
    48,823.36x = 1,931,972,013.66
  5. Step 5: Solve for x
    x = 1,931,972,013.66/48,823.36
  6. Step 6: Final answer
    x = 39,570.65

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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.