Home / 48,719.56-67,243.38-30,803.08

Finding the Fourth Proportional to 48,719.56, 67,243.38 and 30,803.08

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Solution

The fourth proportional to 48,719.56, 67,243.38 and 30,803.08 is: 42,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,719.56 : 67,243.38 = 30,803.08 : x
  2. Step 2: Convert to fraction form
    48,719.56/67,243.38 = 30,803.08/x
  3. Step 3: Cross multiply
    48,719.56x = 67,243.38 × 30,803.08
  4. Step 4: Simplify right side
    48,719.56x = 2,071,303,213.61
  5. Step 5: Solve for x
    x = 2,071,303,213.61/48,719.56
  6. Step 6: Final answer
    x = 42,514.82

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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.