Home / 48,719.74-67,226-29,589.54

Finding the Fourth Proportional to 48,719.74, 67,226 and 29,589.54

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Solution

The fourth proportional to 48,719.74, 67,226 and 29,589.54 is: 40,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,719.74 : 67,226 = 29,589.54 : x
  2. Step 2: Convert to fraction form
    48,719.74/67,226 = 29,589.54/x
  3. Step 3: Cross multiply
    48,719.74x = 67,226 × 29,589.54
  4. Step 4: Simplify right side
    48,719.74x = 1,989,186,416.04
  5. Step 5: Solve for x
    x = 1,989,186,416.04/48,719.74
  6. Step 6: Final answer
    x = 40,829.17

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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.