Home / 48,715.62-67,212.24-28,573.35

Finding the Fourth Proportional to 48,715.62, 67,212.24 and 28,573.35

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Solution

The fourth proportional to 48,715.62, 67,212.24 and 28,573.35 is: 39,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,715.62 : 67,212.24 = 28,573.35 : x
  2. Step 2: Convert to fraction form
    48,715.62/67,212.24 = 28,573.35/x
  3. Step 3: Cross multiply
    48,715.62x = 67,212.24 × 28,573.35
  4. Step 4: Simplify right side
    48,715.62x = 1,920,478,857.80
  5. Step 5: Solve for x
    x = 1,920,478,857.80/48,715.62
  6. Step 6: Final answer
    x = 39,422.24

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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.