Home / 47,246.76-70,919.55-20,970.09

Finding the Fourth Proportional to 47,246.76, 70,919.55 and 20,970.09

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Solution

The fourth proportional to 47,246.76, 70,919.55 and 20,970.09 is: 31,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,246.76 : 70,919.55 = 20,970.09 : x
  2. Step 2: Convert to fraction form
    47,246.76/70,919.55 = 20,970.09/x
  3. Step 3: Cross multiply
    47,246.76x = 70,919.55 × 20,970.09
  4. Step 4: Simplify right side
    47,246.76x = 1,487,189,346.26
  5. Step 5: Solve for x
    x = 1,487,189,346.26/47,246.76
  6. Step 6: Final answer
    x = 31,477.07

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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.