Home / 53,488.70-73,815.55-29,290.68

Finding the Fourth Proportional to 53,488.70, 73,815.55 and 29,290.68

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Solution

The fourth proportional to 53,488.70, 73,815.55 and 29,290.68 is: 40,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.70 : 73,815.55 = 29,290.68 : x
  2. Step 2: Convert to fraction form
    53,488.70/73,815.55 = 29,290.68/x
  3. Step 3: Cross multiply
    53,488.70x = 73,815.55 × 29,290.68
  4. Step 4: Simplify right side
    53,488.70x = 2,162,107,580.85
  5. Step 5: Solve for x
    x = 2,162,107,580.85/53,488.70
  6. Step 6: Final answer
    x = 40,421.77

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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.