Home / 52,157.66-78,257.75-18,881.24

Finding the Fourth Proportional to 52,157.66, 78,257.75 and 18,881.24

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Solution

The fourth proportional to 52,157.66, 78,257.75 and 18,881.24 is: 28,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.66 : 78,257.75 = 18,881.24 : x
  2. Step 2: Convert to fraction form
    52,157.66/78,257.75 = 18,881.24/x
  3. Step 3: Cross multiply
    52,157.66x = 78,257.75 × 18,881.24
  4. Step 4: Simplify right side
    52,157.66x = 1,477,602,873.92
  5. Step 5: Solve for x
    x = 1,477,602,873.92/52,157.66
  6. Step 6: Final answer
    x = 28,329.55

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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.