Home / 48,717.99-67,215.52-28,575.72

Finding the Fourth Proportional to 48,717.99, 67,215.52 and 28,575.72

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Solution

The fourth proportional to 48,717.99, 67,215.52 and 28,575.72 is: 39,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,717.99 : 67,215.52 = 28,575.72 : x
  2. Step 2: Convert to fraction form
    48,717.99/67,215.52 = 28,575.72/x
  3. Step 3: Cross multiply
    48,717.99x = 67,215.52 × 28,575.72
  4. Step 4: Simplify right side
    48,717.99x = 1,920,731,914.89
  5. Step 5: Solve for x
    x = 1,920,731,914.89/48,717.99
  6. Step 6: Final answer
    x = 39,425.52

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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.