Home / 48,720.86-67,205.54-29,590.91

Finding the Fourth Proportional to 48,720.86, 67,205.54 and 29,590.91

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Solution

The fourth proportional to 48,720.86, 67,205.54 and 29,590.91 is: 40,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,720.86 : 67,205.54 = 29,590.91 : x
  2. Step 2: Convert to fraction form
    48,720.86/67,205.54 = 29,590.91/x
  3. Step 3: Cross multiply
    48,720.86x = 67,205.54 × 29,590.91
  4. Step 4: Simplify right side
    48,720.86x = 1,988,672,601.66
  5. Step 5: Solve for x
    x = 1,988,672,601.66/48,720.86
  6. Step 6: Final answer
    x = 40,817.69

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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.