Home / 48,679.89-67,178.87-28,266.74

Finding the Fourth Proportional to 48,679.89, 67,178.87 and 28,266.74

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Solution

The fourth proportional to 48,679.89, 67,178.87 and 28,266.74 is: 39,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.89 : 67,178.87 = 28,266.74 : x
  2. Step 2: Convert to fraction form
    48,679.89/67,178.87 = 28,266.74/x
  3. Step 3: Cross multiply
    48,679.89x = 67,178.87 × 28,266.74
  4. Step 4: Simplify right side
    48,679.89x = 1,898,927,532.48
  5. Step 5: Solve for x
    x = 1,898,927,532.48/48,679.89
  6. Step 6: Final answer
    x = 39,008.46

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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.