Home / 38,313.82-52,871.75-21,084.58

Finding the Fourth Proportional to 38,313.82, 52,871.75 and 21,084.58

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Solution

The fourth proportional to 38,313.82, 52,871.75 and 21,084.58 is: 29,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.82 : 52,871.75 = 21,084.58 : x
  2. Step 2: Convert to fraction form
    38,313.82/52,871.75 = 21,084.58/x
  3. Step 3: Cross multiply
    38,313.82x = 52,871.75 × 21,084.58
  4. Step 4: Simplify right side
    38,313.82x = 1,114,778,642.82
  5. Step 5: Solve for x
    x = 1,114,778,642.82/38,313.82
  6. Step 6: Final answer
    x = 29,095.99

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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.