Home / 56,357.08-77,771.82-31,206.04

Finding the Fourth Proportional to 56,357.08, 77,771.82 and 31,206.04

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Solution

The fourth proportional to 56,357.08, 77,771.82 and 31,206.04 is: 43,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.08 : 77,771.82 = 31,206.04 : x
  2. Step 2: Convert to fraction form
    56,357.08/77,771.82 = 31,206.04/x
  3. Step 3: Cross multiply
    56,357.08x = 77,771.82 × 31,206.04
  4. Step 4: Simplify right side
    56,357.08x = 2,426,950,525.79
  5. Step 5: Solve for x
    x = 2,426,950,525.79/56,357.08
  6. Step 6: Final answer
    x = 43,063.81

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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.