Home / 47,129.90-65,040.50-25,909.70

Finding the Fourth Proportional to 47,129.90, 65,040.50 and 25,909.70

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Solution

The fourth proportional to 47,129.90, 65,040.50 and 25,909.70 is: 35,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.90 : 65,040.50 = 25,909.70 : x
  2. Step 2: Convert to fraction form
    47,129.90/65,040.50 = 25,909.70/x
  3. Step 3: Cross multiply
    47,129.90x = 65,040.50 × 25,909.70
  4. Step 4: Simplify right side
    47,129.90x = 1,685,179,826.32
  5. Step 5: Solve for x
    x = 1,685,179,826.32/47,129.90
  6. Step 6: Final answer
    x = 35,756.07

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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.