Home / 38,314.98-52,873.62-21,318.36

Finding the Fourth Proportional to 38,314.98, 52,873.62 and 21,318.36

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Solution

The fourth proportional to 38,314.98, 52,873.62 and 21,318.36 is: 29,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.98 : 52,873.62 = 21,318.36 : x
  2. Step 2: Convert to fraction form
    38,314.98/52,873.62 = 21,318.36/x
  3. Step 3: Cross multiply
    38,314.98x = 52,873.62 × 21,318.36
  4. Step 4: Simplify right side
    38,314.98x = 1,127,178,865.66
  5. Step 5: Solve for x
    x = 1,127,178,865.66/38,314.98
  6. Step 6: Final answer
    x = 29,418.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.