Home / 38,698.98-53,405.19-22,565.85

Finding the Fourth Proportional to 38,698.98, 53,405.19 and 22,565.85

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Solution

The fourth proportional to 38,698.98, 53,405.19 and 22,565.85 is: 31,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698.98 : 53,405.19 = 22,565.85 : x
  2. Step 2: Convert to fraction form
    38,698.98/53,405.19 = 22,565.85/x
  3. Step 3: Cross multiply
    38,698.98x = 53,405.19 × 22,565.85
  4. Step 4: Simplify right side
    38,698.98x = 1,205,133,506.76
  5. Step 5: Solve for x
    x = 1,205,133,506.76/38,698.98
  6. Step 6: Final answer
    x = 31,141.22

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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.