Home / 31,981.64-47,970.84-11,203.52

Finding the Fourth Proportional to 31,981.64, 47,970.84 and 11,203.52

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Solution

The fourth proportional to 31,981.64, 47,970.84 and 11,203.52 is: 16,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.64 : 47,970.84 = 11,203.52 : x
  2. Step 2: Convert to fraction form
    31,981.64/47,970.84 = 11,203.52/x
  3. Step 3: Cross multiply
    31,981.64x = 47,970.84 × 11,203.52
  4. Step 4: Simplify right side
    31,981.64x = 537,442,265.36
  5. Step 5: Solve for x
    x = 537,442,265.36/31,981.64
  6. Step 6: Final answer
    x = 16,804.71

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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.