Home / 52,159.82-78,239.73-12,717.27

Finding the Fourth Proportional to 52,159.82, 78,239.73 and 12,717.27

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Solution

The fourth proportional to 52,159.82, 78,239.73 and 12,717.27 is: 19,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,159.82 : 78,239.73 = 12,717.27 : x
  2. Step 2: Convert to fraction form
    52,159.82/78,239.73 = 12,717.27/x
  3. Step 3: Cross multiply
    52,159.82x = 78,239.73 × 12,717.27
  4. Step 4: Simplify right side
    52,159.82x = 994,996,064.54
  5. Step 5: Solve for x
    x = 994,996,064.54/52,159.82
  6. Step 6: Final answer
    x = 19,075.91

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1.5x scale

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.