Home / 48,673.61-67,156.84-28,519.68

Finding the Fourth Proportional to 48,673.61, 67,156.84 and 28,519.68

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Solution

The fourth proportional to 48,673.61, 67,156.84 and 28,519.68 is: 39,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,673.61 : 67,156.84 = 28,519.68 : x
  2. Step 2: Convert to fraction form
    48,673.61/67,156.84 = 28,519.68/x
  3. Step 3: Cross multiply
    48,673.61x = 67,156.84 × 28,519.68
  4. Step 4: Simplify right side
    48,673.61x = 1,915,291,874.10
  5. Step 5: Solve for x
    x = 1,915,291,874.10/48,673.61
  6. Step 6: Final answer
    x = 39,349.70

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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.