Home / 48,368.68-72,556.38-20,278.12

Finding the Fourth Proportional to 48,368.68, 72,556.38 and 20,278.12

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Solution

The fourth proportional to 48,368.68, 72,556.38 and 20,278.12 is: 30,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,368.68 : 72,556.38 = 20,278.12 : x
  2. Step 2: Convert to fraction form
    48,368.68/72,556.38 = 20,278.12/x
  3. Step 3: Cross multiply
    48,368.68x = 72,556.38 × 20,278.12
  4. Step 4: Simplify right side
    48,368.68x = 1,471,306,980.41
  5. Step 5: Solve for x
    x = 1,471,306,980.41/48,368.68
  6. Step 6: Final answer
    x = 30,418.59

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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.