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Finding the Fourth Proportional to 35,388.59, 48,835.04 and 19,471.55

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Solution

The fourth proportional to 35,388.59, 48,835.04 and 19,471.55 is: 26,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.59 : 48,835.04 = 19,471.55 : x
  2. Step 2: Convert to fraction form
    35,388.59/48,835.04 = 19,471.55/x
  3. Step 3: Cross multiply
    35,388.59x = 48,835.04 × 19,471.55
  4. Step 4: Simplify right side
    35,388.59x = 950,893,825.75
  5. Step 5: Solve for x
    x = 950,893,825.75/35,388.59
  6. Step 6: Final answer
    x = 26,870.07

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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.