Home / 52,222.07-78,330.66-12,777.09

Finding the Fourth Proportional to 52,222.07, 78,330.66 and 12,777.09

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Solution

The fourth proportional to 52,222.07, 78,330.66 and 12,777.09 is: 19,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,222.07 : 78,330.66 = 12,777.09 : x
  2. Step 2: Convert to fraction form
    52,222.07/78,330.66 = 12,777.09/x
  3. Step 3: Cross multiply
    52,222.07x = 78,330.66 × 12,777.09
  4. Step 4: Simplify right side
    52,222.07x = 1,000,837,892.58
  5. Step 5: Solve for x
    x = 1,000,837,892.58/52,222.07
  6. Step 6: Final answer
    x = 19,165.04

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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.