Home / 53,141.76-73,335.65-31,920.98

Finding the Fourth Proportional to 53,141.76, 73,335.65 and 31,920.98

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Solution

The fourth proportional to 53,141.76, 73,335.65 and 31,920.98 is: 44,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.76 : 73,335.65 = 31,920.98 : x
  2. Step 2: Convert to fraction form
    53,141.76/73,335.65 = 31,920.98/x
  3. Step 3: Cross multiply
    53,141.76x = 73,335.65 × 31,920.98
  4. Step 4: Simplify right side
    53,141.76x = 2,340,945,290.65
  5. Step 5: Solve for x
    x = 2,340,945,290.65/53,141.76
  6. Step 6: Final answer
    x = 44,050.96

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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.