Home / 37,986.18-52,386.87-31,633.81

Finding the Fourth Proportional to 37,986.18, 52,386.87 and 31,633.81

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Solution

The fourth proportional to 37,986.18, 52,386.87 and 31,633.81 is: 43,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986.18 : 52,386.87 = 31,633.81 : x
  2. Step 2: Convert to fraction form
    37,986.18/52,386.87 = 31,633.81/x
  3. Step 3: Cross multiply
    37,986.18x = 52,386.87 × 31,633.81
  4. Step 4: Simplify right side
    37,986.18x = 1,657,196,292.07
  5. Step 5: Solve for x
    x = 1,657,196,292.07/37,986.18
  6. Step 6: Final answer
    x = 43,626.29

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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.