Home / 38,829.14-53,583.95-21,833.42

Finding the Fourth Proportional to 38,829.14, 53,583.95 and 21,833.42

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Solution

The fourth proportional to 38,829.14, 53,583.95 and 21,833.42 is: 30,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.14 : 53,583.95 = 21,833.42 : x
  2. Step 2: Convert to fraction form
    38,829.14/53,583.95 = 21,833.42/x
  3. Step 3: Cross multiply
    38,829.14x = 53,583.95 × 21,833.42
  4. Step 4: Simplify right side
    38,829.14x = 1,169,920,549.46
  5. Step 5: Solve for x
    x = 1,169,920,549.46/38,829.14
  6. Step 6: Final answer
    x = 30,129.96

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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.