Home / 56,160.28-77,468.70-36,288.28

Finding the Fourth Proportional to 56,160.28, 77,468.70 and 36,288.28

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Solution

The fourth proportional to 56,160.28, 77,468.70 and 36,288.28 is: 50,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.28 : 77,468.70 = 36,288.28 : x
  2. Step 2: Convert to fraction form
    56,160.28/77,468.70 = 36,288.28/x
  3. Step 3: Cross multiply
    56,160.28x = 77,468.70 × 36,288.28
  4. Step 4: Simplify right side
    56,160.28x = 2,811,205,876.84
  5. Step 5: Solve for x
    x = 2,811,205,876.84/56,160.28
  6. Step 6: Final answer
    x = 50,056.84

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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.