Home / 38,772.01-53,505.19-21,776.25

Finding the Fourth Proportional to 38,772.01, 53,505.19 and 21,776.25

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Solution

The fourth proportional to 38,772.01, 53,505.19 and 21,776.25 is: 30,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.01 : 53,505.19 = 21,776.25 : x
  2. Step 2: Convert to fraction form
    38,772.01/53,505.19 = 21,776.25/x
  3. Step 3: Cross multiply
    38,772.01x = 53,505.19 × 21,776.25
  4. Step 4: Simplify right side
    38,772.01x = 1,165,142,393.74
  5. Step 5: Solve for x
    x = 1,165,142,393.74/38,772.01
  6. Step 6: Final answer
    x = 30,051.12

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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.