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Finding the Fourth Proportional to 35,412.55, 48,869.25 and 19,497.01

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Solution

The fourth proportional to 35,412.55, 48,869.25 and 19,497.01 is: 26,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.55 : 48,869.25 = 19,497.01 : x
  2. Step 2: Convert to fraction form
    35,412.55/48,869.25 = 19,497.01/x
  3. Step 3: Cross multiply
    35,412.55x = 48,869.25 × 19,497.01
  4. Step 4: Simplify right side
    35,412.55x = 952,804,255.94
  5. Step 5: Solve for x
    x = 952,804,255.94/35,412.55
  6. Step 6: Final answer
    x = 26,905.84

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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.