Home / 52,887.76-79,330.32-12,907.02

Finding the Fourth Proportional to 52,887.76, 79,330.32 and 12,907.02

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Solution

The fourth proportional to 52,887.76, 79,330.32 and 12,907.02 is: 19,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.76 : 79,330.32 = 12,907.02 : x
  2. Step 2: Convert to fraction form
    52,887.76/79,330.32 = 12,907.02/x
  3. Step 3: Cross multiply
    52,887.76x = 79,330.32 × 12,907.02
  4. Step 4: Simplify right side
    52,887.76x = 1,023,918,026.85
  5. Step 5: Solve for x
    x = 1,023,918,026.85/52,887.76
  6. Step 6: Final answer
    x = 19,360.21

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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.