Home / 50,330.52-75,440.42-20,732.21

Finding the Fourth Proportional to 50,330.52, 75,440.42 and 20,732.21

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Solution

The fourth proportional to 50,330.52, 75,440.42 and 20,732.21 is: 31,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,330.52 : 75,440.42 = 20,732.21 : x
  2. Step 2: Convert to fraction form
    50,330.52/75,440.42 = 20,732.21/x
  3. Step 3: Cross multiply
    50,330.52x = 75,440.42 × 20,732.21
  4. Step 4: Simplify right side
    50,330.52x = 1,564,046,870.36
  5. Step 5: Solve for x
    x = 1,564,046,870.36/50,330.52
  6. Step 6: Final answer
    x = 31,075.52

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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.