Home / 47,138.88-70,693.38-15,966.84

Finding the Fourth Proportional to 47,138.88, 70,693.38 and 15,966.84

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Solution

The fourth proportional to 47,138.88, 70,693.38 and 15,966.84 is: 23,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.88 : 70,693.38 = 15,966.84 : x
  2. Step 2: Convert to fraction form
    47,138.88/70,693.38 = 15,966.84/x
  3. Step 3: Cross multiply
    47,138.88x = 70,693.38 × 15,966.84
  4. Step 4: Simplify right side
    47,138.88x = 1,128,749,887.52
  5. Step 5: Solve for x
    x = 1,128,749,887.52/47,138.88
  6. Step 6: Final answer
    x = 23,945.20

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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.