Home / 47,140.08-70,653.24-20,814.96

Finding the Fourth Proportional to 47,140.08, 70,653.24 and 20,814.96

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Solution

The fourth proportional to 47,140.08, 70,653.24 and 20,814.96 is: 31,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.08 : 70,653.24 = 20,814.96 : x
  2. Step 2: Convert to fraction form
    47,140.08/70,653.24 = 20,814.96/x
  3. Step 3: Cross multiply
    47,140.08x = 70,653.24 × 20,814.96
  4. Step 4: Simplify right side
    47,140.08x = 1,470,644,364.47
  5. Step 5: Solve for x
    x = 1,470,644,364.47/47,140.08
  6. Step 6: Final answer
    x = 31,197.32

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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.