Home / 54,024.34-80,981.16-20,735.46

Finding the Fourth Proportional to 54,024.34, 80,981.16 and 20,735.46

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Solution

The fourth proportional to 54,024.34, 80,981.16 and 20,735.46 is: 31,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,024.34 : 80,981.16 = 20,735.46 : x
  2. Step 2: Convert to fraction form
    54,024.34/80,981.16 = 20,735.46/x
  3. Step 3: Cross multiply
    54,024.34x = 80,981.16 × 20,735.46
  4. Step 4: Simplify right side
    54,024.34x = 1,679,181,603.93
  5. Step 5: Solve for x
    x = 1,679,181,603.93/54,024.34
  6. Step 6: Final answer
    x = 31,081.95

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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.