Home / 52,071.59-78,091.23-18,787.32

Finding the Fourth Proportional to 52,071.59, 78,091.23 and 18,787.32

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Solution

The fourth proportional to 52,071.59, 78,091.23 and 18,787.32 is: 28,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,071.59 : 78,091.23 = 18,787.32 : x
  2. Step 2: Convert to fraction form
    52,071.59/78,091.23 = 18,787.32/x
  3. Step 3: Cross multiply
    52,071.59x = 78,091.23 × 18,787.32
  4. Step 4: Simplify right side
    52,071.59x = 1,467,124,927.20
  5. Step 5: Solve for x
    x = 1,467,124,927.20/52,071.59
  6. Step 6: Final answer
    x = 28,175.15

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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.