Home / 58,488.43-87,740.46-20,528.69

Finding the Fourth Proportional to 58,488.43, 87,740.46 and 20,528.69

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Solution

The fourth proportional to 58,488.43, 87,740.46 and 20,528.69 is: 30,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488.43 : 87,740.46 = 20,528.69 : x
  2. Step 2: Convert to fraction form
    58,488.43/87,740.46 = 20,528.69/x
  3. Step 3: Cross multiply
    58,488.43x = 87,740.46 × 20,528.69
  4. Step 4: Simplify right side
    58,488.43x = 1,801,196,703.80
  5. Step 5: Solve for x
    x = 1,801,196,703.80/58,488.43
  6. Step 6: Final answer
    x = 30,795.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.