Home / 56,882.20-78,497.67-31,389.31

Finding the Fourth Proportional to 56,882.20, 78,497.67 and 31,389.31

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Solution

The fourth proportional to 56,882.20, 78,497.67 and 31,389.31 is: 43,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882.20 : 78,497.67 = 31,389.31 : x
  2. Step 2: Convert to fraction form
    56,882.20/78,497.67 = 31,389.31/x
  3. Step 3: Cross multiply
    56,882.20x = 78,497.67 × 31,389.31
  4. Step 4: Simplify right side
    56,882.20x = 2,463,987,442.84
  5. Step 5: Solve for x
    x = 2,463,987,442.84/56,882.20
  6. Step 6: Final answer
    x = 43,317.37

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1.5x scale

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.