Home / 31,331.02-46,999.30-8,841.90

Finding the Fourth Proportional to 31,331.02, 46,999.30 and 8,841.90

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Solution

The fourth proportional to 31,331.02, 46,999.30 and 8,841.90 is: 13,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.02 : 46,999.30 = 8,841.90 : x
  2. Step 2: Convert to fraction form
    31,331.02/46,999.30 = 8,841.90/x
  3. Step 3: Cross multiply
    31,331.02x = 46,999.30 × 8,841.90
  4. Step 4: Simplify right side
    31,331.02x = 415,563,017.02
  5. Step 5: Solve for x
    x = 415,563,017.02/31,331.02
  6. Step 6: Final answer
    x = 13,263.63

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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.