Home / 48,678.87-67,176.50-28,259.30

Finding the Fourth Proportional to 48,678.87, 67,176.50 and 28,259.30

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Solution

The fourth proportional to 48,678.87, 67,176.50 and 28,259.30 is: 38,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.87 : 67,176.50 = 28,259.30 : x
  2. Step 2: Convert to fraction form
    48,678.87/67,176.50 = 28,259.30/x
  3. Step 3: Cross multiply
    48,678.87x = 67,176.50 × 28,259.30
  4. Step 4: Simplify right side
    48,678.87x = 1,898,360,601.22
  5. Step 5: Solve for x
    x = 1,898,360,601.22/48,678.87
  6. Step 6: Final answer
    x = 38,997.63

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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.