Home / 56,767.19-78,338.72-31,616.69

Finding the Fourth Proportional to 56,767.19, 78,338.72 and 31,616.69

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Solution

The fourth proportional to 56,767.19, 78,338.72 and 31,616.69 is: 43,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,767.19 : 78,338.72 = 31,616.69 : x
  2. Step 2: Convert to fraction form
    56,767.19/78,338.72 = 31,616.69/x
  3. Step 3: Cross multiply
    56,767.19x = 78,338.72 × 31,616.69
  4. Step 4: Simplify right side
    56,767.19x = 2,476,811,025.24
  5. Step 5: Solve for x
    x = 2,476,811,025.24/56,767.19
  6. Step 6: Final answer
    x = 43,631.03

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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.