Home / 31,582.08-47,373.12-8,208.36

Finding the Fourth Proportional to 31,582.08, 47,373.12 and 8,208.36

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Solution

The fourth proportional to 31,582.08, 47,373.12 and 8,208.36 is: 12,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.08 : 47,373.12 = 8,208.36 : x
  2. Step 2: Convert to fraction form
    31,582.08/47,373.12 = 8,208.36/x
  3. Step 3: Cross multiply
    31,582.08x = 47,373.12 × 8,208.36
  4. Step 4: Simplify right side
    31,582.08x = 388,855,623.28
  5. Step 5: Solve for x
    x = 388,855,623.28/31,582.08
  6. Step 6: Final answer
    x = 12,312.54

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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.