Home / 47,155.16-70,730.94-15,990.38

Finding the Fourth Proportional to 47,155.16, 70,730.94 and 15,990.38

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Solution

The fourth proportional to 47,155.16, 70,730.94 and 15,990.38 is: 23,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.16 : 70,730.94 = 15,990.38 : x
  2. Step 2: Convert to fraction form
    47,155.16/70,730.94 = 15,990.38/x
  3. Step 3: Cross multiply
    47,155.16x = 70,730.94 × 15,990.38
  4. Step 4: Simplify right side
    47,155.16x = 1,131,014,608.36
  5. Step 5: Solve for x
    x = 1,131,014,608.36/47,155.16
  6. Step 6: Final answer
    x = 23,984.96

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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.