Home / 53,181.14-73,392.33-30,521.09

Finding the Fourth Proportional to 53,181.14, 73,392.33 and 30,521.09

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Solution

The fourth proportional to 53,181.14, 73,392.33 and 30,521.09 is: 42,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.14 : 73,392.33 = 30,521.09 : x
  2. Step 2: Convert to fraction form
    53,181.14/73,392.33 = 30,521.09/x
  3. Step 3: Cross multiply
    53,181.14x = 73,392.33 × 30,521.09
  4. Step 4: Simplify right side
    53,181.14x = 2,240,013,542.28
  5. Step 5: Solve for x
    x = 2,240,013,542.28/53,181.14
  6. Step 6: Final answer
    x = 42,120.45

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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.