Home / 52,009.17-77,966.37-18,721.41

Finding the Fourth Proportional to 52,009.17, 77,966.37 and 18,721.41

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Solution

The fourth proportional to 52,009.17, 77,966.37 and 18,721.41 is: 28,065.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,009.17 : 77,966.37 = 18,721.41 : x
  2. Step 2: Convert to fraction form
    52,009.17/77,966.37 = 18,721.41/x
  3. Step 3: Cross multiply
    52,009.17x = 77,966.37 × 18,721.41
  4. Step 4: Simplify right side
    52,009.17x = 1,459,640,378.98
  5. Step 5: Solve for x
    x = 1,459,640,378.98/52,009.17
  6. Step 6: Final answer
    x = 28,065.06

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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.