Home / 50,415.19-75,617.54-31,639.56

Finding the Fourth Proportional to 50,415.19, 75,617.54 and 31,639.56

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Solution

The fourth proportional to 50,415.19, 75,617.54 and 31,639.56 is: 47,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.19 : 75,617.54 = 31,639.56 : x
  2. Step 2: Convert to fraction form
    50,415.19/75,617.54 = 31,639.56/x
  3. Step 3: Cross multiply
    50,415.19x = 75,617.54 × 31,639.56
  4. Step 4: Simplify right side
    50,415.19x = 2,392,506,097.78
  5. Step 5: Solve for x
    x = 2,392,506,097.78/50,415.19
  6. Step 6: Final answer
    x = 47,456.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.