Home / 30,384.48-41,907.92-22,315.52

Finding the Fourth Proportional to 30,384.48, 41,907.92 and 22,315.52

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Solution

The fourth proportional to 30,384.48, 41,907.92 and 22,315.52 is: 30,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.48 : 41,907.92 = 22,315.52 : x
  2. Step 2: Convert to fraction form
    30,384.48/41,907.92 = 22,315.52/x
  3. Step 3: Cross multiply
    30,384.48x = 41,907.92 × 22,315.52
  4. Step 4: Simplify right side
    30,384.48x = 935,197,026.92
  5. Step 5: Solve for x
    x = 935,197,026.92/30,384.48
  6. Step 6: Final answer
    x = 30,778.77

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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.