Home / 38,349.25-52,921.98-21,582.61

Finding the Fourth Proportional to 38,349.25, 52,921.98 and 21,582.61

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Solution

The fourth proportional to 38,349.25, 52,921.98 and 21,582.61 is: 29,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,349.25 : 52,921.98 = 21,582.61 : x
  2. Step 2: Convert to fraction form
    38,349.25/52,921.98 = 21,582.61/x
  3. Step 3: Cross multiply
    38,349.25x = 52,921.98 × 21,582.61
  4. Step 4: Simplify right side
    38,349.25x = 1,142,194,454.77
  5. Step 5: Solve for x
    x = 1,142,194,454.77/38,349.25
  6. Step 6: Final answer
    x = 29,784.01

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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.