Home / 57,522.88-86,292.16-20,077.36

Finding the Fourth Proportional to 57,522.88, 86,292.16 and 20,077.36

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Solution

The fourth proportional to 57,522.88, 86,292.16 and 20,077.36 is: 30,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,522.88 : 86,292.16 = 20,077.36 : x
  2. Step 2: Convert to fraction form
    57,522.88/86,292.16 = 20,077.36/x
  3. Step 3: Cross multiply
    57,522.88x = 86,292.16 × 20,077.36
  4. Step 4: Simplify right side
    57,522.88x = 1,732,518,761.50
  5. Step 5: Solve for x
    x = 1,732,518,761.50/57,522.88
  6. Step 6: Final answer
    x = 30,118.78

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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.