Home / 62,825.61-86,719.53-40,225.47

Finding the Fourth Proportional to 62,825.61, 86,719.53 and 40,225.47

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Solution

The fourth proportional to 62,825.61, 86,719.53 and 40,225.47 is: 55,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,825.61 : 86,719.53 = 40,225.47 : x
  2. Step 2: Convert to fraction form
    62,825.61/86,719.53 = 40,225.47/x
  3. Step 3: Cross multiply
    62,825.61x = 86,719.53 × 40,225.47
  4. Step 4: Simplify right side
    62,825.61x = 3,488,333,852.43
  5. Step 5: Solve for x
    x = 3,488,333,852.43/62,825.61
  6. Step 6: Final answer
    x = 55,524.07

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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.