Home / 55,617.76-76,752.12-30,466.72

Finding the Fourth Proportional to 55,617.76, 76,752.12 and 30,466.72

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Solution

The fourth proportional to 55,617.76, 76,752.12 and 30,466.72 is: 42,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.76 : 76,752.12 = 30,466.72 : x
  2. Step 2: Convert to fraction form
    55,617.76/76,752.12 = 30,466.72/x
  3. Step 3: Cross multiply
    55,617.76x = 76,752.12 × 30,466.72
  4. Step 4: Simplify right side
    55,617.76x = 2,338,385,349.45
  5. Step 5: Solve for x
    x = 2,338,385,349.45/55,617.76
  6. Step 6: Final answer
    x = 42,043.86

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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.