Home / 55,484.06-76,564.16-31,285.89

Finding the Fourth Proportional to 55,484.06, 76,564.16 and 31,285.89

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Solution

The fourth proportional to 55,484.06, 76,564.16 and 31,285.89 is: 43,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,484.06 : 76,564.16 = 31,285.89 : x
  2. Step 2: Convert to fraction form
    55,484.06/76,564.16 = 31,285.89/x
  3. Step 3: Cross multiply
    55,484.06x = 76,564.16 × 31,285.89
  4. Step 4: Simplify right side
    55,484.06x = 2,395,377,887.70
  5. Step 5: Solve for x
    x = 2,395,377,887.70/55,484.06
  6. Step 6: Final answer
    x = 43,172.36

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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.