Home / 48,972.86-67,581.91-28,830.59

Finding the Fourth Proportional to 48,972.86, 67,581.91 and 28,830.59

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Solution

The fourth proportional to 48,972.86, 67,581.91 and 28,830.59 is: 39,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,972.86 : 67,581.91 = 28,830.59 : x
  2. Step 2: Convert to fraction form
    48,972.86/67,581.91 = 28,830.59/x
  3. Step 3: Cross multiply
    48,972.86x = 67,581.91 × 28,830.59
  4. Step 4: Simplify right side
    48,972.86x = 1,948,426,338.63
  5. Step 5: Solve for x
    x = 1,948,426,338.63/48,972.86
  6. Step 6: Final answer
    x = 39,785.84

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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.