Home / 31,656.96-43,688.88-17,511.12

Finding the Fourth Proportional to 31,656.96, 43,688.88 and 17,511.12

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Solution

The fourth proportional to 31,656.96, 43,688.88 and 17,511.12 is: 24,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.96 : 43,688.88 = 17,511.12 : x
  2. Step 2: Convert to fraction form
    31,656.96/43,688.88 = 17,511.12/x
  3. Step 3: Cross multiply
    31,656.96x = 43,688.88 × 17,511.12
  4. Step 4: Simplify right side
    31,656.96x = 765,041,220.35
  5. Step 5: Solve for x
    x = 765,041,220.35/31,656.96
  6. Step 6: Final answer
    x = 24,166.60

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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.