Home / 38,326.35-52,890.29-21,559.35

Finding the Fourth Proportional to 38,326.35, 52,890.29 and 21,559.35

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Solution

The fourth proportional to 38,326.35, 52,890.29 and 21,559.35 is: 29,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.35 : 52,890.29 = 21,559.35 : x
  2. Step 2: Convert to fraction form
    38,326.35/52,890.29 = 21,559.35/x
  3. Step 3: Cross multiply
    38,326.35x = 52,890.29 × 21,559.35
  4. Step 4: Simplify right side
    38,326.35x = 1,140,280,165.91
  5. Step 5: Solve for x
    x = 1,140,280,165.91/38,326.35
  6. Step 6: Final answer
    x = 29,751.86

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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.