Home / 51,647.60-77,497-20,482.16

Finding the Fourth Proportional to 51,647.60, 77,497 and 20,482.16

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Solution

The fourth proportional to 51,647.60, 77,497 and 20,482.16 is: 30,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.60 : 77,497 = 20,482.16 : x
  2. Step 2: Convert to fraction form
    51,647.60/77,497 = 20,482.16/x
  3. Step 3: Cross multiply
    51,647.60x = 77,497 × 20,482.16
  4. Step 4: Simplify right side
    51,647.60x = 1,587,305,953.52
  5. Step 5: Solve for x
    x = 1,587,305,953.52/51,647.60
  6. Step 6: Final answer
    x = 30,733.39

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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.