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Finding the Fourth Proportional to 64,204.30, 96,316.71 and 19,820.62

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Solution

The fourth proportional to 64,204.30, 96,316.71 and 19,820.62 is: 29,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,204.30 : 96,316.71 = 19,820.62 : x
  2. Step 2: Convert to fraction form
    64,204.30/96,316.71 = 19,820.62/x
  3. Step 3: Cross multiply
    64,204.30x = 96,316.71 × 19,820.62
  4. Step 4: Simplify right side
    64,204.30x = 1,909,056,908.56
  5. Step 5: Solve for x
    x = 1,909,056,908.56/64,204.30
  6. Step 6: Final answer
    x = 29,734.10

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1.5x scale

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.