Home / 38,355.20-52,925.28-21,584.96

Finding the Fourth Proportional to 38,355.20, 52,925.28 and 21,584.96

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Solution

The fourth proportional to 38,355.20, 52,925.28 and 21,584.96 is: 29,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.20 : 52,925.28 = 21,584.96 : x
  2. Step 2: Convert to fraction form
    38,355.20/52,925.28 = 21,584.96/x
  3. Step 3: Cross multiply
    38,355.20x = 52,925.28 × 21,584.96
  4. Step 4: Simplify right side
    38,355.20x = 1,142,390,051.79
  5. Step 5: Solve for x
    x = 1,142,390,051.79/38,355.20
  6. Step 6: Final answer
    x = 29,784.49

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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.