Home / 37,710.36-52,040.93-20,715.31

Finding the Fourth Proportional to 37,710.36, 52,040.93 and 20,715.31

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Solution

The fourth proportional to 37,710.36, 52,040.93 and 20,715.31 is: 28,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,710.36 : 52,040.93 = 20,715.31 : x
  2. Step 2: Convert to fraction form
    37,710.36/52,040.93 = 20,715.31/x
  3. Step 3: Cross multiply
    37,710.36x = 52,040.93 × 20,715.31
  4. Step 4: Simplify right side
    37,710.36x = 1,078,043,997.64
  5. Step 5: Solve for x
    x = 1,078,043,997.64/37,710.36
  6. Step 6: Final answer
    x = 28,587.48

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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.