Home / 62,421.69-86,147.18-38,222.54

Finding the Fourth Proportional to 62,421.69, 86,147.18 and 38,222.54

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Solution

The fourth proportional to 62,421.69, 86,147.18 and 38,222.54 is: 52,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,421.69 : 86,147.18 = 38,222.54 : x
  2. Step 2: Convert to fraction form
    62,421.69/86,147.18 = 38,222.54/x
  3. Step 3: Cross multiply
    62,421.69x = 86,147.18 × 38,222.54
  4. Step 4: Simplify right side
    62,421.69x = 3,292,763,411.59
  5. Step 5: Solve for x
    x = 3,292,763,411.59/62,421.69
  6. Step 6: Final answer
    x = 52,750.31

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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.