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Finding the Fourth Proportional to 35,261.73, 48,661.02 and 19,346.31

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Solution

The fourth proportional to 35,261.73, 48,661.02 and 19,346.31 is: 26,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,261.73 : 48,661.02 = 19,346.31 : x
  2. Step 2: Convert to fraction form
    35,261.73/48,661.02 = 19,346.31/x
  3. Step 3: Cross multiply
    35,261.73x = 48,661.02 × 19,346.31
  4. Step 4: Simplify right side
    35,261.73x = 941,411,177.84
  5. Step 5: Solve for x
    x = 941,411,177.84/35,261.73
  6. Step 6: Final answer
    x = 26,697.82

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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.