Home / 47,028.35-70,541.75-18,947.73

Finding the Fourth Proportional to 47,028.35, 70,541.75 and 18,947.73

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Solution

The fourth proportional to 47,028.35, 70,541.75 and 18,947.73 is: 28,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.35 : 70,541.75 = 18,947.73 : x
  2. Step 2: Convert to fraction form
    47,028.35/70,541.75 = 18,947.73/x
  3. Step 3: Cross multiply
    47,028.35x = 70,541.75 × 18,947.73
  4. Step 4: Simplify right side
    47,028.35x = 1,336,605,680.02
  5. Step 5: Solve for x
    x = 1,336,605,680.02/47,028.35
  6. Step 6: Final answer
    x = 28,421.28

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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.