Home / 47,380.55-65,385.25-26,159.84

Finding the Fourth Proportional to 47,380.55, 65,385.25 and 26,159.84

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Solution

The fourth proportional to 47,380.55, 65,385.25 and 26,159.84 is: 36,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.55 : 65,385.25 = 26,159.84 : x
  2. Step 2: Convert to fraction form
    47,380.55/65,385.25 = 26,159.84/x
  3. Step 3: Cross multiply
    47,380.55x = 65,385.25 × 26,159.84
  4. Step 4: Simplify right side
    47,380.55x = 1,710,467,678.36
  5. Step 5: Solve for x
    x = 1,710,467,678.36/47,380.55
  6. Step 6: Final answer
    x = 36,100.63

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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.