Home / 56,417.78-84,612.75-23,147.30

Finding the Fourth Proportional to 56,417.78, 84,612.75 and 23,147.30

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Solution

The fourth proportional to 56,417.78, 84,612.75 and 23,147.30 is: 34,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,417.78 : 84,612.75 = 23,147.30 : x
  2. Step 2: Convert to fraction form
    56,417.78/84,612.75 = 23,147.30/x
  3. Step 3: Cross multiply
    56,417.78x = 84,612.75 × 23,147.30
  4. Step 4: Simplify right side
    56,417.78x = 1,958,556,708.08
  5. Step 5: Solve for x
    x = 1,958,556,708.08/56,417.78
  6. Step 6: Final answer
    x = 34,715.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.