Home / 47,887.20-66,086.70-26,666.02

Finding the Fourth Proportional to 47,887.20, 66,086.70 and 26,666.02

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Solution

The fourth proportional to 47,887.20, 66,086.70 and 26,666.02 is: 36,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,887.20 : 66,086.70 = 26,666.02 : x
  2. Step 2: Convert to fraction form
    47,887.20/66,086.70 = 26,666.02/x
  3. Step 3: Cross multiply
    47,887.20x = 66,086.70 × 26,666.02
  4. Step 4: Simplify right side
    47,887.20x = 1,762,269,263.93
  5. Step 5: Solve for x
    x = 1,762,269,263.93/47,887.20
  6. Step 6: Final answer
    x = 36,800.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.