Home / 38,217.76-52,741.06-21,223.06

Finding the Fourth Proportional to 38,217.76, 52,741.06 and 21,223.06

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Solution

The fourth proportional to 38,217.76, 52,741.06 and 21,223.06 is: 29,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217.76 : 52,741.06 = 21,223.06 : x
  2. Step 2: Convert to fraction form
    38,217.76/52,741.06 = 21,223.06/x
  3. Step 3: Cross multiply
    38,217.76x = 52,741.06 × 21,223.06
  4. Step 4: Simplify right side
    38,217.76x = 1,119,326,495.93
  5. Step 5: Solve for x
    x = 1,119,326,495.93/38,217.76
  6. Step 6: Final answer
    x = 29,288.13

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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.