Home / 50,321.18-69,437.66-30,178.91

Finding the Fourth Proportional to 50,321.18, 69,437.66 and 30,178.91

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Solution

The fourth proportional to 50,321.18, 69,437.66 and 30,178.91 is: 41,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,321.18 : 69,437.66 = 30,178.91 : x
  2. Step 2: Convert to fraction form
    50,321.18/69,437.66 = 30,178.91/x
  3. Step 3: Cross multiply
    50,321.18x = 69,437.66 × 30,178.91
  4. Step 4: Simplify right side
    50,321.18x = 2,095,552,914.45
  5. Step 5: Solve for x
    x = 2,095,552,914.45/50,321.18
  6. Step 6: Final answer
    x = 41,643.55

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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.