Home / 52,569.67-78,855.63-18,837.89

Finding the Fourth Proportional to 52,569.67, 78,855.63 and 18,837.89

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Solution

The fourth proportional to 52,569.67, 78,855.63 and 18,837.89 is: 28,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,569.67 : 78,855.63 = 18,837.89 : x
  2. Step 2: Convert to fraction form
    52,569.67/78,855.63 = 18,837.89/x
  3. Step 3: Cross multiply
    52,569.67x = 78,855.63 × 18,837.89
  4. Step 4: Simplify right side
    52,569.67x = 1,485,473,514.61
  5. Step 5: Solve for x
    x = 1,485,473,514.61/52,569.67
  6. Step 6: Final answer
    x = 28,257.23

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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.