Home / 55,071.26-76,001.36-31,202.58

Finding the Fourth Proportional to 55,071.26, 76,001.36 and 31,202.58

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Solution

The fourth proportional to 55,071.26, 76,001.36 and 31,202.58 is: 43,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.26 : 76,001.36 = 31,202.58 : x
  2. Step 2: Convert to fraction form
    55,071.26/76,001.36 = 31,202.58/x
  3. Step 3: Cross multiply
    55,071.26x = 76,001.36 × 31,202.58
  4. Step 4: Simplify right side
    55,071.26x = 2,371,438,644.50
  5. Step 5: Solve for x
    x = 2,371,438,644.50/55,071.26
  6. Step 6: Final answer
    x = 43,061.28

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1.5x scale

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.