Home / 31,116.98-46,661.40-8,925.26

Finding the Fourth Proportional to 31,116.98, 46,661.40 and 8,925.26

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Solution

The fourth proportional to 31,116.98, 46,661.40 and 8,925.26 is: 13,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.98 : 46,661.40 = 8,925.26 : x
  2. Step 2: Convert to fraction form
    31,116.98/46,661.40 = 8,925.26/x
  3. Step 3: Cross multiply
    31,116.98x = 46,661.40 × 8,925.26
  4. Step 4: Simplify right side
    31,116.98x = 416,465,126.96
  5. Step 5: Solve for x
    x = 416,465,126.96/31,116.98
  6. Step 6: Final answer
    x = 13,383.85

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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.