Home / 31,582.86-47,358.44-10,515.48

Finding the Fourth Proportional to 31,582.86, 47,358.44 and 10,515.48

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Solution

The fourth proportional to 31,582.86, 47,358.44 and 10,515.48 is: 15,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.86 : 47,358.44 = 10,515.48 : x
  2. Step 2: Convert to fraction form
    31,582.86/47,358.44 = 10,515.48/x
  3. Step 3: Cross multiply
    31,582.86x = 47,358.44 × 10,515.48
  4. Step 4: Simplify right side
    31,582.86x = 497,996,754.94
  5. Step 5: Solve for x
    x = 497,996,754.94/31,582.86
  6. Step 6: Final answer
    x = 15,767.94

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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.