Home / 48,812.09-67,365.41-30,665.75

Finding the Fourth Proportional to 48,812.09, 67,365.41 and 30,665.75

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Solution

The fourth proportional to 48,812.09, 67,365.41 and 30,665.75 is: 42,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,812.09 : 67,365.41 = 30,665.75 : x
  2. Step 2: Convert to fraction form
    48,812.09/67,365.41 = 30,665.75/x
  3. Step 3: Cross multiply
    48,812.09x = 67,365.41 × 30,665.75
  4. Step 4: Simplify right side
    48,812.09x = 2,065,810,331.55
  5. Step 5: Solve for x
    x = 2,065,810,331.55/48,812.09
  6. Step 6: Final answer
    x = 42,321.70

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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.