Home / 50,329.65-75,439.11-20,731.34

Finding the Fourth Proportional to 50,329.65, 75,439.11 and 20,731.34

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Solution

The fourth proportional to 50,329.65, 75,439.11 and 20,731.34 is: 31,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,329.65 : 75,439.11 = 20,731.34 : x
  2. Step 2: Convert to fraction form
    50,329.65/75,439.11 = 20,731.34/x
  3. Step 3: Cross multiply
    50,329.65x = 75,439.11 × 20,731.34
  4. Step 4: Simplify right side
    50,329.65x = 1,563,953,838.71
  5. Step 5: Solve for x
    x = 1,563,953,838.71/50,329.65
  6. Step 6: Final answer
    x = 31,074.20

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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.