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Finding the Fourth Proportional to 35,070.25, 48,390.52 and 19,962.03

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Solution

The fourth proportional to 35,070.25, 48,390.52 and 19,962.03 is: 27,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,070.25 : 48,390.52 = 19,962.03 : x
  2. Step 2: Convert to fraction form
    35,070.25/48,390.52 = 19,962.03/x
  3. Step 3: Cross multiply
    35,070.25x = 48,390.52 × 19,962.03
  4. Step 4: Simplify right side
    35,070.25x = 965,973,011.96
  5. Step 5: Solve for x
    x = 965,973,011.96/35,070.25
  6. Step 6: Final answer
    x = 27,543.94

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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.