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Finding the Fourth Proportional to 57,994.95, 80,014.32 and 34,127.49

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Solution

The fourth proportional to 57,994.95, 80,014.32 and 34,127.49 is: 47,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,994.95 : 80,014.32 = 34,127.49 : x
  2. Step 2: Convert to fraction form
    57,994.95/80,014.32 = 34,127.49/x
  3. Step 3: Cross multiply
    57,994.95x = 80,014.32 × 34,127.49
  4. Step 4: Simplify right side
    57,994.95x = 2,730,687,905.66
  5. Step 5: Solve for x
    x = 2,730,687,905.66/57,994.95
  6. Step 6: Final answer
    x = 47,084.93

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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.