Home / 31,473.42-47,210.04-21,582.69

Finding the Fourth Proportional to 31,473.42, 47,210.04 and 21,582.69

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Solution

The fourth proportional to 31,473.42, 47,210.04 and 21,582.69 is: 32,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.42 : 47,210.04 = 21,582.69 : x
  2. Step 2: Convert to fraction form
    31,473.42/47,210.04 = 21,582.69/x
  3. Step 3: Cross multiply
    31,473.42x = 47,210.04 × 21,582.69
  4. Step 4: Simplify right side
    31,473.42x = 1,018,919,658.21
  5. Step 5: Solve for x
    x = 1,018,919,658.21/31,473.42
  6. Step 6: Final answer
    x = 32,373.97

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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.