Home / 45,557.96-68,339.82-19,259.24

Finding the Fourth Proportional to 45,557.96, 68,339.82 and 19,259.24

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Solution

The fourth proportional to 45,557.96, 68,339.82 and 19,259.24 is: 28,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.96 : 68,339.82 = 19,259.24 : x
  2. Step 2: Convert to fraction form
    45,557.96/68,339.82 = 19,259.24/x
  3. Step 3: Cross multiply
    45,557.96x = 68,339.82 × 19,259.24
  4. Step 4: Simplify right side
    45,557.96x = 1,316,172,994.94
  5. Step 5: Solve for x
    x = 1,316,172,994.94/45,557.96
  6. Step 6: Final answer
    x = 28,890.08

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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.