Home / 47,129.52-65,038.77-25,909.14

Finding the Fourth Proportional to 47,129.52, 65,038.77 and 25,909.14

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Solution

The fourth proportional to 47,129.52, 65,038.77 and 25,909.14 is: 35,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.52 : 65,038.77 = 25,909.14 : x
  2. Step 2: Convert to fraction form
    47,129.52/65,038.77 = 25,909.14/x
  3. Step 3: Cross multiply
    47,129.52x = 65,038.77 × 25,909.14
  4. Step 4: Simplify right side
    47,129.52x = 1,685,098,597.36
  5. Step 5: Solve for x
    x = 1,685,098,597.36/47,129.52
  6. Step 6: Final answer
    x = 35,754.63

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1.5x scale

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.