Home / 48,828.94-67,391.12-30,925.60

Finding the Fourth Proportional to 48,828.94, 67,391.12 and 30,925.60

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Solution

The fourth proportional to 48,828.94, 67,391.12 and 30,925.60 is: 42,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,828.94 : 67,391.12 = 30,925.60 : x
  2. Step 2: Convert to fraction form
    48,828.94/67,391.12 = 30,925.60/x
  3. Step 3: Cross multiply
    48,828.94x = 67,391.12 × 30,925.60
  4. Step 4: Simplify right side
    48,828.94x = 2,084,110,820.67
  5. Step 5: Solve for x
    x = 2,084,110,820.67/48,828.94
  6. Step 6: Final answer
    x = 42,681.88

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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.