Home / 38,409.66-52,990.69-28,362.22

Finding the Fourth Proportional to 38,409.66, 52,990.69 and 28,362.22

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Solution

The fourth proportional to 38,409.66, 52,990.69 and 28,362.22 is: 39,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409.66 : 52,990.69 = 28,362.22 : x
  2. Step 2: Convert to fraction form
    38,409.66/52,990.69 = 28,362.22/x
  3. Step 3: Cross multiply
    38,409.66x = 52,990.69 × 28,362.22
  4. Step 4: Simplify right side
    38,409.66x = 1,502,933,607.73
  5. Step 5: Solve for x
    x = 1,502,933,607.73/38,409.66
  6. Step 6: Final answer
    x = 39,129.05

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Double scale
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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.