Home / 52,887.55-79,330.02-12,906.82

Finding the Fourth Proportional to 52,887.55, 79,330.02 and 12,906.82

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Solution

The fourth proportional to 52,887.55, 79,330.02 and 12,906.82 is: 19,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.55 : 79,330.02 = 12,906.82 : x
  2. Step 2: Convert to fraction form
    52,887.55/79,330.02 = 12,906.82/x
  3. Step 3: Cross multiply
    52,887.55x = 79,330.02 × 12,906.82
  4. Step 4: Simplify right side
    52,887.55x = 1,023,898,288.74
  5. Step 5: Solve for x
    x = 1,023,898,288.74/52,887.55
  6. Step 6: Final answer
    x = 19,359.91

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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.