Home / 47,270.10-70,847.55-20,946.90

Finding the Fourth Proportional to 47,270.10, 70,847.55 and 20,946.90

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Solution

The fourth proportional to 47,270.10, 70,847.55 and 20,946.90 is: 31,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.10 : 70,847.55 = 20,946.90 : x
  2. Step 2: Convert to fraction form
    47,270.10/70,847.55 = 20,946.90/x
  3. Step 3: Cross multiply
    47,270.10x = 70,847.55 × 20,946.90
  4. Step 4: Simplify right side
    47,270.10x = 1,484,036,545.10
  5. Step 5: Solve for x
    x = 1,484,036,545.10/47,270.10
  6. Step 6: Final answer
    x = 31,394.83

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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.