Home / 47,476.64-71,214.16-19,390.52

Finding the Fourth Proportional to 47,476.64, 71,214.16 and 19,390.52

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Solution

The fourth proportional to 47,476.64, 71,214.16 and 19,390.52 is: 29,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476.64 : 71,214.16 = 19,390.52 : x
  2. Step 2: Convert to fraction form
    47,476.64/71,214.16 = 19,390.52/x
  3. Step 3: Cross multiply
    47,476.64x = 71,214.16 × 19,390.52
  4. Step 4: Simplify right side
    47,476.64x = 1,380,879,593.76
  5. Step 5: Solve for x
    x = 1,380,879,593.76/47,476.64
  6. Step 6: Final answer
    x = 29,085.45

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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.