Home / 31,603.06-47,411.43-9,418.22

Finding the Fourth Proportional to 31,603.06, 47,411.43 and 9,418.22

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Solution

The fourth proportional to 31,603.06, 47,411.43 and 9,418.22 is: 14,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,603.06 : 47,411.43 = 9,418.22 : x
  2. Step 2: Convert to fraction form
    31,603.06/47,411.43 = 9,418.22/x
  3. Step 3: Cross multiply
    31,603.06x = 47,411.43 × 9,418.22
  4. Step 4: Simplify right side
    31,603.06x = 446,531,450.36
  5. Step 5: Solve for x
    x = 446,531,450.36/31,603.06
  6. Step 6: Final answer
    x = 14,129.37

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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.