Home / 52,656.93-78,990.35-19,377.63

Finding the Fourth Proportional to 52,656.93, 78,990.35 and 19,377.63

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Solution

The fourth proportional to 52,656.93, 78,990.35 and 19,377.63 is: 29,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,656.93 : 78,990.35 = 19,377.63 : x
  2. Step 2: Convert to fraction form
    52,656.93/78,990.35 = 19,377.63/x
  3. Step 3: Cross multiply
    52,656.93x = 78,990.35 × 19,377.63
  4. Step 4: Simplify right side
    52,656.93x = 1,530,645,678.98
  5. Step 5: Solve for x
    x = 1,530,645,678.98/52,656.93
  6. Step 6: Final answer
    x = 29,068.27

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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.