Home / 52,459.72-78,678.54-19,195.48

Finding the Fourth Proportional to 52,459.72, 78,678.54 and 19,195.48

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Solution

The fourth proportional to 52,459.72, 78,678.54 and 19,195.48 is: 28,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,459.72 : 78,678.54 = 19,195.48 : x
  2. Step 2: Convert to fraction form
    52,459.72/78,678.54 = 19,195.48/x
  3. Step 3: Cross multiply
    52,459.72x = 78,678.54 × 19,195.48
  4. Step 4: Simplify right side
    52,459.72x = 1,510,272,341.00
  5. Step 5: Solve for x
    x = 1,510,272,341.00/52,459.72
  6. Step 6: Final answer
    x = 28,789.18

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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.