Home / 55,506.02-76,605.72-31,311.92

Finding the Fourth Proportional to 55,506.02, 76,605.72 and 31,311.92

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Solution

The fourth proportional to 55,506.02, 76,605.72 and 31,311.92 is: 43,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,506.02 : 76,605.72 = 31,311.92 : x
  2. Step 2: Convert to fraction form
    55,506.02/76,605.72 = 31,311.92/x
  3. Step 3: Cross multiply
    55,506.02x = 76,605.72 × 31,311.92
  4. Step 4: Simplify right side
    55,506.02x = 2,398,672,176.18
  5. Step 5: Solve for x
    x = 2,398,672,176.18/55,506.02
  6. Step 6: Final answer
    x = 43,214.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.