Home / 37,898.04-52,304.31-21,979.20

Finding the Fourth Proportional to 37,898.04, 52,304.31 and 21,979.20

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Solution

The fourth proportional to 37,898.04, 52,304.31 and 21,979.20 is: 30,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,898.04 : 52,304.31 = 21,979.20 : x
  2. Step 2: Convert to fraction form
    37,898.04/52,304.31 = 21,979.20/x
  3. Step 3: Cross multiply
    37,898.04x = 52,304.31 × 21,979.20
  4. Step 4: Simplify right side
    37,898.04x = 1,149,606,890.35
  5. Step 5: Solve for x
    x = 1,149,606,890.35/37,898.04
  6. Step 6: Final answer
    x = 30,334.20

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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.