Home / 52,201.58-72,072.87-30,987.66

Finding the Fourth Proportional to 52,201.58, 72,072.87 and 30,987.66

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Solution

The fourth proportional to 52,201.58, 72,072.87 and 30,987.66 is: 42,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.58 : 72,072.87 = 30,987.66 : x
  2. Step 2: Convert to fraction form
    52,201.58/72,072.87 = 30,987.66/x
  3. Step 3: Cross multiply
    52,201.58x = 72,072.87 × 30,987.66
  4. Step 4: Simplify right side
    52,201.58x = 2,233,369,590.78
  5. Step 5: Solve for x
    x = 2,233,369,590.78/52,201.58
  6. Step 6: Final answer
    x = 42,783.56

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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.