Home / 38,326.84-52,890.66-21,330.82

Finding the Fourth Proportional to 38,326.84, 52,890.66 and 21,330.82

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Solution

The fourth proportional to 38,326.84, 52,890.66 and 21,330.82 is: 29,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.84 : 52,890.66 = 21,330.82 : x
  2. Step 2: Convert to fraction form
    38,326.84/52,890.66 = 21,330.82/x
  3. Step 3: Cross multiply
    38,326.84x = 52,890.66 × 21,330.82
  4. Step 4: Simplify right side
    38,326.84x = 1,128,201,148.14
  5. Step 5: Solve for x
    x = 1,128,201,148.14/38,326.84
  6. Step 6: Final answer
    x = 29,436.32

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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.