Home / 50,678.19-69,929.80-28,014.09

Finding the Fourth Proportional to 50,678.19, 69,929.80 and 28,014.09

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Solution

The fourth proportional to 50,678.19, 69,929.80 and 28,014.09 is: 38,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,678.19 : 69,929.80 = 28,014.09 : x
  2. Step 2: Convert to fraction form
    50,678.19/69,929.80 = 28,014.09/x
  3. Step 3: Cross multiply
    50,678.19x = 69,929.80 × 28,014.09
  4. Step 4: Simplify right side
    50,678.19x = 1,959,019,378.61
  5. Step 5: Solve for x
    x = 1,959,019,378.61/50,678.19
  6. Step 6: Final answer
    x = 38,656.06

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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.