Home / 37,871.86-52,260.78-20,875.17

Finding the Fourth Proportional to 37,871.86, 52,260.78 and 20,875.17

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Solution

The fourth proportional to 37,871.86, 52,260.78 and 20,875.17 is: 28,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,871.86 : 52,260.78 = 20,875.17 : x
  2. Step 2: Convert to fraction form
    37,871.86/52,260.78 = 20,875.17/x
  3. Step 3: Cross multiply
    37,871.86x = 52,260.78 × 20,875.17
  4. Step 4: Simplify right side
    37,871.86x = 1,090,952,405.53
  5. Step 5: Solve for x
    x = 1,090,952,405.53/37,871.86
  6. Step 6: Final answer
    x = 28,806.41

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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.