Home / 67,019.51-92,518.41-38,719.73

Finding the Fourth Proportional to 67,019.51, 92,518.41 and 38,719.73

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Solution

The fourth proportional to 67,019.51, 92,518.41 and 38,719.73 is: 53,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019.51 : 92,518.41 = 38,719.73 : x
  2. Step 2: Convert to fraction form
    67,019.51/92,518.41 = 38,719.73/x
  3. Step 3: Cross multiply
    67,019.51x = 92,518.41 × 38,719.73
  4. Step 4: Simplify right side
    67,019.51x = 3,582,287,855.23
  5. Step 5: Solve for x
    x = 3,582,287,855.23/67,019.51
  6. Step 6: Final answer
    x = 53,451.42

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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.