Home / 30,330.04-41,843.52-20,265.06

Finding the Fourth Proportional to 30,330.04, 41,843.52 and 20,265.06

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Solution

The fourth proportional to 30,330.04, 41,843.52 and 20,265.06 is: 27,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.04 : 41,843.52 = 20,265.06 : x
  2. Step 2: Convert to fraction form
    30,330.04/41,843.52 = 20,265.06/x
  3. Step 3: Cross multiply
    30,330.04x = 41,843.52 × 20,265.06
  4. Step 4: Simplify right side
    30,330.04x = 847,961,362.49
  5. Step 5: Solve for x
    x = 847,961,362.49/30,330.04
  6. Step 6: Final answer
    x = 27,957.80

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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.