Home / 31,329.63-47,008.22-11,603.97

Finding the Fourth Proportional to 31,329.63, 47,008.22 and 11,603.97

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Solution

The fourth proportional to 31,329.63, 47,008.22 and 11,603.97 is: 17,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.63 : 47,008.22 = 11,603.97 : x
  2. Step 2: Convert to fraction form
    31,329.63/47,008.22 = 11,603.97/x
  3. Step 3: Cross multiply
    31,329.63x = 47,008.22 × 11,603.97
  4. Step 4: Simplify right side
    31,329.63x = 545,481,916.61
  5. Step 5: Solve for x
    x = 545,481,916.61/31,329.63
  6. Step 6: Final answer
    x = 17,411.06

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1.5x scale

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.