Home / 31,964.09-47,946.10-8,590.52

Finding the Fourth Proportional to 31,964.09, 47,946.10 and 8,590.52

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Solution

The fourth proportional to 31,964.09, 47,946.10 and 8,590.52 is: 12,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.09 : 47,946.10 = 8,590.52 : x
  2. Step 2: Convert to fraction form
    31,964.09/47,946.10 = 8,590.52/x
  3. Step 3: Cross multiply
    31,964.09x = 47,946.10 × 8,590.52
  4. Step 4: Simplify right side
    31,964.09x = 411,881,930.97
  5. Step 5: Solve for x
    x = 411,881,930.97/31,964.09
  6. Step 6: Final answer
    x = 12,885.77

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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.