Home / 34,442.69-47,536.11-21,021.73

Finding the Fourth Proportional to 34,442.69, 47,536.11 and 21,021.73

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Solution

The fourth proportional to 34,442.69, 47,536.11 and 21,021.73 is: 29,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,442.69 : 47,536.11 = 21,021.73 : x
  2. Step 2: Convert to fraction form
    34,442.69/47,536.11 = 21,021.73/x
  3. Step 3: Cross multiply
    34,442.69x = 47,536.11 × 21,021.73
  4. Step 4: Simplify right side
    34,442.69x = 999,291,150.83
  5. Step 5: Solve for x
    x = 999,291,150.83/34,442.69
  6. Step 6: Final answer
    x = 29,013.16

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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.