Home / 48,278.14-72,424.13-18,284.31

Finding the Fourth Proportional to 48,278.14, 72,424.13 and 18,284.31

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Solution

The fourth proportional to 48,278.14, 72,424.13 and 18,284.31 is: 27,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.14 : 72,424.13 = 18,284.31 : x
  2. Step 2: Convert to fraction form
    48,278.14/72,424.13 = 18,284.31/x
  3. Step 3: Cross multiply
    48,278.14x = 72,424.13 × 18,284.31
  4. Step 4: Simplify right side
    48,278.14x = 1,324,225,244.40
  5. Step 5: Solve for x
    x = 1,324,225,244.40/48,278.14
  6. Step 6: Final answer
    x = 27,429.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.