Home / 56,270.65-77,650.36-30,771.94

Finding the Fourth Proportional to 56,270.65, 77,650.36 and 30,771.94

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Solution

The fourth proportional to 56,270.65, 77,650.36 and 30,771.94 is: 42,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270.65 : 77,650.36 = 30,771.94 : x
  2. Step 2: Convert to fraction form
    56,270.65/77,650.36 = 30,771.94/x
  3. Step 3: Cross multiply
    56,270.65x = 77,650.36 × 30,771.94
  4. Step 4: Simplify right side
    56,270.65x = 2,389,452,218.90
  5. Step 5: Solve for x
    x = 2,389,452,218.90/56,270.65
  6. Step 6: Final answer
    x = 42,463.56

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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.