Home / 56,354.83-77,768.72-31,203.79

Finding the Fourth Proportional to 56,354.83, 77,768.72 and 31,203.79

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Solution

The fourth proportional to 56,354.83, 77,768.72 and 31,203.79 is: 43,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354.83 : 77,768.72 = 31,203.79 : x
  2. Step 2: Convert to fraction form
    56,354.83/77,768.72 = 31,203.79/x
  3. Step 3: Cross multiply
    56,354.83x = 77,768.72 × 31,203.79
  4. Step 4: Simplify right side
    56,354.83x = 2,426,678,651.43
  5. Step 5: Solve for x
    x = 2,426,678,651.43/56,354.83
  6. Step 6: Final answer
    x = 43,060.70

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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.