Home / 38,773.51-53,507.25-21,777.76

Finding the Fourth Proportional to 38,773.51, 53,507.25 and 21,777.76

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Solution

The fourth proportional to 38,773.51, 53,507.25 and 21,777.76 is: 30,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773.51 : 53,507.25 = 21,777.76 : x
  2. Step 2: Convert to fraction form
    38,773.51/53,507.25 = 21,777.76/x
  3. Step 3: Cross multiply
    38,773.51x = 53,507.25 × 21,777.76
  4. Step 4: Simplify right side
    38,773.51x = 1,165,268,048.76
  5. Step 5: Solve for x
    x = 1,165,268,048.76/38,773.51
  6. Step 6: Final answer
    x = 30,053.20

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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.