Home / 38,719.71-53,438.40-22,804.02

Finding the Fourth Proportional to 38,719.71, 53,438.40 and 22,804.02

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Solution

The fourth proportional to 38,719.71, 53,438.40 and 22,804.02 is: 31,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.71 : 53,438.40 = 22,804.02 : x
  2. Step 2: Convert to fraction form
    38,719.71/53,438.40 = 22,804.02/x
  3. Step 3: Cross multiply
    38,719.71x = 53,438.40 × 22,804.02
  4. Step 4: Simplify right side
    38,719.71x = 1,218,610,342.37
  5. Step 5: Solve for x
    x = 1,218,610,342.37/38,719.71
  6. Step 6: Final answer
    x = 31,472.61

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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.