Home / 48,851.34-73,280.42-20,768.21

Finding the Fourth Proportional to 48,851.34, 73,280.42 and 20,768.21

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Solution

The fourth proportional to 48,851.34, 73,280.42 and 20,768.21 is: 31,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,851.34 : 73,280.42 = 20,768.21 : x
  2. Step 2: Convert to fraction form
    48,851.34/73,280.42 = 20,768.21/x
  3. Step 3: Cross multiply
    48,851.34x = 73,280.42 × 20,768.21
  4. Step 4: Simplify right side
    48,851.34x = 1,521,902,681.21
  5. Step 5: Solve for x
    x = 1,521,902,681.21/48,851.34
  6. Step 6: Final answer
    x = 31,153.76

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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.