Home / 57,009.17-78,653.45-36,891.50

Finding the Fourth Proportional to 57,009.17, 78,653.45 and 36,891.50

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Solution

The fourth proportional to 57,009.17, 78,653.45 and 36,891.50 is: 50,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009.17 : 78,653.45 = 36,891.50 : x
  2. Step 2: Convert to fraction form
    57,009.17/78,653.45 = 36,891.50/x
  3. Step 3: Cross multiply
    57,009.17x = 78,653.45 × 36,891.50
  4. Step 4: Simplify right side
    57,009.17x = 2,901,643,449.64
  5. Step 5: Solve for x
    x = 2,901,643,449.64/57,009.17
  6. Step 6: Final answer
    x = 50,897.83

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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.