Home / 38,223.63-52,746.86-21,228.96

Finding the Fourth Proportional to 38,223.63, 52,746.86 and 21,228.96

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Solution

The fourth proportional to 38,223.63, 52,746.86 and 21,228.96 is: 29,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,223.63 : 52,746.86 = 21,228.96 : x
  2. Step 2: Convert to fraction form
    38,223.63/52,746.86 = 21,228.96/x
  3. Step 3: Cross multiply
    38,223.63x = 52,746.86 × 21,228.96
  4. Step 4: Simplify right side
    38,223.63x = 1,119,760,874.92
  5. Step 5: Solve for x
    x = 1,119,760,874.92/38,223.63
  6. Step 6: Final answer
    x = 29,294.99

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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.