Home / 38,795.32-53,537.76-21,800.28

Finding the Fourth Proportional to 38,795.32, 53,537.76 and 21,800.28

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Solution

The fourth proportional to 38,795.32, 53,537.76 and 21,800.28 is: 30,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,795.32 : 53,537.76 = 21,800.28 : x
  2. Step 2: Convert to fraction form
    38,795.32/53,537.76 = 21,800.28/x
  3. Step 3: Cross multiply
    38,795.32x = 53,537.76 × 21,800.28
  4. Step 4: Simplify right side
    38,795.32x = 1,167,138,158.57
  5. Step 5: Solve for x
    x = 1,167,138,158.57/38,795.32
  6. Step 6: Final answer
    x = 30,084.51

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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.