Home / 37,871.13-52,261.87-20,875.39

Finding the Fourth Proportional to 37,871.13, 52,261.87 and 20,875.39

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Solution

The fourth proportional to 37,871.13, 52,261.87 and 20,875.39 is: 28,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,871.13 : 52,261.87 = 20,875.39 : x
  2. Step 2: Convert to fraction form
    37,871.13/52,261.87 = 20,875.39/x
  3. Step 3: Cross multiply
    37,871.13x = 52,261.87 × 20,875.39
  4. Step 4: Simplify right side
    37,871.13x = 1,090,986,657.07
  5. Step 5: Solve for x
    x = 1,090,986,657.07/37,871.13
  6. Step 6: Final answer
    x = 28,807.88

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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.