Home / 38,088.43-52,561.91-21,321.43

Finding the Fourth Proportional to 38,088.43, 52,561.91 and 21,321.43

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Solution

The fourth proportional to 38,088.43, 52,561.91 and 21,321.43 is: 29,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088.43 : 52,561.91 = 21,321.43 : x
  2. Step 2: Convert to fraction form
    38,088.43/52,561.91 = 21,321.43/x
  3. Step 3: Cross multiply
    38,088.43x = 52,561.91 × 21,321.43
  4. Step 4: Simplify right side
    38,088.43x = 1,120,695,006.63
  5. Step 5: Solve for x
    x = 1,120,695,006.63/38,088.43
  6. Step 6: Final answer
    x = 29,423.50

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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.