Home / 50,328.65-75,437.61-20,730.34

Finding the Fourth Proportional to 50,328.65, 75,437.61 and 20,730.34

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Solution

The fourth proportional to 50,328.65, 75,437.61 and 20,730.34 is: 31,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,328.65 : 75,437.61 = 20,730.34 : x
  2. Step 2: Convert to fraction form
    50,328.65/75,437.61 = 20,730.34/x
  3. Step 3: Cross multiply
    50,328.65x = 75,437.61 × 20,730.34
  4. Step 4: Simplify right side
    50,328.65x = 1,563,847,148.15
  5. Step 5: Solve for x
    x = 1,563,847,148.15/50,328.65
  6. Step 6: Final answer
    x = 31,072.70

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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.