Home / 56,864.39-78,447.47-32,977.22

Finding the Fourth Proportional to 56,864.39, 78,447.47 and 32,977.22

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Solution

The fourth proportional to 56,864.39, 78,447.47 and 32,977.22 is: 45,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.39 : 78,447.47 = 32,977.22 : x
  2. Step 2: Convert to fraction form
    56,864.39/78,447.47 = 32,977.22/x
  3. Step 3: Cross multiply
    56,864.39x = 78,447.47 × 32,977.22
  4. Step 4: Simplify right side
    56,864.39x = 2,586,979,084.40
  5. Step 5: Solve for x
    x = 2,586,979,084.40/56,864.39
  6. Step 6: Final answer
    x = 45,493.84

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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.