Home / 38,769.57-53,505.06-21,774.96

Finding the Fourth Proportional to 38,769.57, 53,505.06 and 21,774.96

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Solution

The fourth proportional to 38,769.57, 53,505.06 and 21,774.96 is: 30,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.57 : 53,505.06 = 21,774.96 : x
  2. Step 2: Convert to fraction form
    38,769.57/53,505.06 = 21,774.96/x
  3. Step 3: Cross multiply
    38,769.57x = 53,505.06 × 21,774.96
  4. Step 4: Simplify right side
    38,769.57x = 1,165,070,541.30
  5. Step 5: Solve for x
    x = 1,165,070,541.30/38,769.57
  6. Step 6: Final answer
    x = 30,051.16

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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.