Home / 30,685.86-42,162.98-24,387.30

Finding the Fourth Proportional to 30,685.86, 42,162.98 and 24,387.30

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Solution

The fourth proportional to 30,685.86, 42,162.98 and 24,387.30 is: 33,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,685.86 : 42,162.98 = 24,387.30 : x
  2. Step 2: Convert to fraction form
    30,685.86/42,162.98 = 24,387.30/x
  3. Step 3: Cross multiply
    30,685.86x = 42,162.98 × 24,387.30
  4. Step 4: Simplify right side
    30,685.86x = 1,028,241,120.22
  5. Step 5: Solve for x
    x = 1,028,241,120.22/30,685.86
  6. Step 6: Final answer
    x = 33,508.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.