Home / 50,326.60-69,440.34-30,178.12

Finding the Fourth Proportional to 50,326.60, 69,440.34 and 30,178.12

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Solution

The fourth proportional to 50,326.60, 69,440.34 and 30,178.12 is: 41,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,326.60 : 69,440.34 = 30,178.12 : x
  2. Step 2: Convert to fraction form
    50,326.60/69,440.34 = 30,178.12/x
  3. Step 3: Cross multiply
    50,326.60x = 69,440.34 × 30,178.12
  4. Step 4: Simplify right side
    50,326.60x = 2,095,578,913.36
  5. Step 5: Solve for x
    x = 2,095,578,913.36/50,326.60
  6. Step 6: Final answer
    x = 41,639.59

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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.