Home / 31,981.04-47,971.67-9,794.32

Finding the Fourth Proportional to 31,981.04, 47,971.67 and 9,794.32

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Solution

The fourth proportional to 31,981.04, 47,971.67 and 9,794.32 is: 14,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.04 : 47,971.67 = 9,794.32 : x
  2. Step 2: Convert to fraction form
    31,981.04/47,971.67 = 9,794.32/x
  3. Step 3: Cross multiply
    31,981.04x = 47,971.67 × 9,794.32
  4. Step 4: Simplify right side
    31,981.04x = 469,849,886.91
  5. Step 5: Solve for x
    x = 469,849,886.91/31,981.04
  6. Step 6: Final answer
    x = 14,691.51

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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.