Home / 38,007.59-52,445.93-21,009.54

Finding the Fourth Proportional to 38,007.59, 52,445.93 and 21,009.54

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Solution

The fourth proportional to 38,007.59, 52,445.93 and 21,009.54 is: 28,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.59 : 52,445.93 = 21,009.54 : x
  2. Step 2: Convert to fraction form
    38,007.59/52,445.93 = 21,009.54/x
  3. Step 3: Cross multiply
    38,007.59x = 52,445.93 × 21,009.54
  4. Step 4: Simplify right side
    38,007.59x = 1,101,864,759.12
  5. Step 5: Solve for x
    x = 1,101,864,759.12/38,007.59
  6. Step 6: Final answer
    x = 28,990.65

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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.