Home / 47,148.78-70,725.39-15,561.60

Finding the Fourth Proportional to 47,148.78, 70,725.39 and 15,561.60

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Solution

The fourth proportional to 47,148.78, 70,725.39 and 15,561.60 is: 23,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148.78 : 70,725.39 = 15,561.60 : x
  2. Step 2: Convert to fraction form
    47,148.78/70,725.39 = 15,561.60/x
  3. Step 3: Cross multiply
    47,148.78x = 70,725.39 × 15,561.60
  4. Step 4: Simplify right side
    47,148.78x = 1,100,600,229.02
  5. Step 5: Solve for x
    x = 1,100,600,229.02/47,148.78
  6. Step 6: Final answer
    x = 23,343.13

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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.