Home / 51,621.12-77,372.16-22,020.48

Finding the Fourth Proportional to 51,621.12, 77,372.16 and 22,020.48

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Solution

The fourth proportional to 51,621.12, 77,372.16 and 22,020.48 is: 33,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.12 : 77,372.16 = 22,020.48 : x
  2. Step 2: Convert to fraction form
    51,621.12/77,372.16 = 22,020.48/x
  3. Step 3: Cross multiply
    51,621.12x = 77,372.16 × 22,020.48
  4. Step 4: Simplify right side
    51,621.12x = 1,703,772,101.84
  5. Step 5: Solve for x
    x = 1,703,772,101.84/51,621.12
  6. Step 6: Final answer
    x = 33,005.33

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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.