Home / 62,721.40-86,556.46-34,429.72

Finding the Fourth Proportional to 62,721.40, 86,556.46 and 34,429.72

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Solution

The fourth proportional to 62,721.40, 86,556.46 and 34,429.72 is: 47,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,721.40 : 86,556.46 = 34,429.72 : x
  2. Step 2: Convert to fraction form
    62,721.40/86,556.46 = 34,429.72/x
  3. Step 3: Cross multiply
    62,721.40x = 86,556.46 × 34,429.72
  4. Step 4: Simplify right side
    62,721.40x = 2,980,114,681.99
  5. Step 5: Solve for x
    x = 2,980,114,681.99/62,721.40
  6. Step 6: Final answer
    x = 47,513.52

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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.