Home / 47,270.93-70,919.55-20,619.25

Finding the Fourth Proportional to 47,270.93, 70,919.55 and 20,619.25

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Solution

The fourth proportional to 47,270.93, 70,919.55 and 20,619.25 is: 30,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.93 : 70,919.55 = 20,619.25 : x
  2. Step 2: Convert to fraction form
    47,270.93/70,919.55 = 20,619.25/x
  3. Step 3: Cross multiply
    47,270.93x = 70,919.55 × 20,619.25
  4. Step 4: Simplify right side
    47,270.93x = 1,462,307,931.34
  5. Step 5: Solve for x
    x = 1,462,307,931.34/47,270.93
  6. Step 6: Final answer
    x = 30,934.61

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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.