Home / 55,987.81-84,012.59-31,024.55

Finding the Fourth Proportional to 55,987.81, 84,012.59 and 31,024.55

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Solution

The fourth proportional to 55,987.81, 84,012.59 and 31,024.55 is: 46,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987.81 : 84,012.59 = 31,024.55 : x
  2. Step 2: Convert to fraction form
    55,987.81/84,012.59 = 31,024.55/x
  3. Step 3: Cross multiply
    55,987.81x = 84,012.59 × 31,024.55
  4. Step 4: Simplify right side
    55,987.81x = 2,606,453,086.68
  5. Step 5: Solve for x
    x = 2,606,453,086.68/55,987.81
  6. Step 6: Final answer
    x = 46,553.94

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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.