Home / 31,214.86-43,072.98-18,468.43

Finding the Fourth Proportional to 31,214.86, 43,072.98 and 18,468.43

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Solution

The fourth proportional to 31,214.86, 43,072.98 and 18,468.43 is: 25,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214.86 : 43,072.98 = 18,468.43 : x
  2. Step 2: Convert to fraction form
    31,214.86/43,072.98 = 18,468.43/x
  3. Step 3: Cross multiply
    31,214.86x = 43,072.98 × 18,468.43
  4. Step 4: Simplify right side
    31,214.86x = 795,490,316.02
  5. Step 5: Solve for x
    x = 795,490,316.02/31,214.86
  6. Step 6: Final answer
    x = 25,484.35

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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.