Home / 42,611.54-63,908.12-15,956.46

Finding the Fourth Proportional to 42,611.54, 63,908.12 and 15,956.46

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Solution

The fourth proportional to 42,611.54, 63,908.12 and 15,956.46 is: 23,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,611.54 : 63,908.12 = 15,956.46 : x
  2. Step 2: Convert to fraction form
    42,611.54/63,908.12 = 15,956.46/x
  3. Step 3: Cross multiply
    42,611.54x = 63,908.12 × 15,956.46
  4. Step 4: Simplify right side
    42,611.54x = 1,019,747,400.35
  5. Step 5: Solve for x
    x = 1,019,747,400.35/42,611.54
  6. Step 6: Final answer
    x = 23,931.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.