Home / 63,689.20-95,558.40-19,316.32

Finding the Fourth Proportional to 63,689.20, 95,558.40 and 19,316.32

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Solution

The fourth proportional to 63,689.20, 95,558.40 and 19,316.32 is: 28,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,689.20 : 95,558.40 = 19,316.32 : x
  2. Step 2: Convert to fraction form
    63,689.20/95,558.40 = 19,316.32/x
  3. Step 3: Cross multiply
    63,689.20x = 95,558.40 × 19,316.32
  4. Step 4: Simplify right side
    63,689.20x = 1,845,836,633.09
  5. Step 5: Solve for x
    x = 1,845,836,633.09/63,689.20
  6. Step 6: Final answer
    x = 28,981.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.