Home / 38,326.46-52,890.39-21,330.62

Finding the Fourth Proportional to 38,326.46, 52,890.39 and 21,330.62

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Solution

The fourth proportional to 38,326.46, 52,890.39 and 21,330.62 is: 29,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.46 : 52,890.39 = 21,330.62 : x
  2. Step 2: Convert to fraction form
    38,326.46/52,890.39 = 21,330.62/x
  3. Step 3: Cross multiply
    38,326.46x = 52,890.39 × 21,330.62
  4. Step 4: Simplify right side
    38,326.46x = 1,128,184,810.74
  5. Step 5: Solve for x
    x = 1,128,184,810.74/38,326.46
  6. Step 6: Final answer
    x = 29,436.19

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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.