Home / 51,887.04-77,784.48-19,032

Finding the Fourth Proportional to 51,887.04, 77,784.48 and 19,032

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Solution

The fourth proportional to 51,887.04, 77,784.48 and 19,032 is: 28,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,887.04 : 77,784.48 = 19,032 : x
  2. Step 2: Convert to fraction form
    51,887.04/77,784.48 = 19,032/x
  3. Step 3: Cross multiply
    51,887.04x = 77,784.48 × 19,032
  4. Step 4: Simplify right side
    51,887.04x = 1,480,394,223.36
  5. Step 5: Solve for x
    x = 1,480,394,223.36/51,887.04
  6. Step 6: Final answer
    x = 28,531.10

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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.