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Finding the Fourth Proportional to 35,092.92, 48,424.02 and 19,985.58

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Solution

The fourth proportional to 35,092.92, 48,424.02 and 19,985.58 is: 27,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,092.92 : 48,424.02 = 19,985.58 : x
  2. Step 2: Convert to fraction form
    35,092.92/48,424.02 = 19,985.58/x
  3. Step 3: Cross multiply
    35,092.92x = 48,424.02 × 19,985.58
  4. Step 4: Simplify right side
    35,092.92x = 967,782,125.63
  5. Step 5: Solve for x
    x = 967,782,125.63/35,092.92
  6. Step 6: Final answer
    x = 27,577.70

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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.