Home / 38,719.01-53,429.78-22,800.39

Finding the Fourth Proportional to 38,719.01, 53,429.78 and 22,800.39

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Solution

The fourth proportional to 38,719.01, 53,429.78 and 22,800.39 is: 31,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.01 : 53,429.78 = 22,800.39 : x
  2. Step 2: Convert to fraction form
    38,719.01/53,429.78 = 22,800.39/x
  3. Step 3: Cross multiply
    38,719.01x = 53,429.78 × 22,800.39
  4. Step 4: Simplify right side
    38,719.01x = 1,218,219,550.00
  5. Step 5: Solve for x
    x = 1,218,219,550.00/38,719.01
  6. Step 6: Final answer
    x = 31,463.08

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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.