Home / 47,578.07-71,367.10-19,856.63

Finding the Fourth Proportional to 47,578.07, 71,367.10 and 19,856.63

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Solution

The fourth proportional to 47,578.07, 71,367.10 and 19,856.63 is: 29,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.07 : 71,367.10 = 19,856.63 : x
  2. Step 2: Convert to fraction form
    47,578.07/71,367.10 = 19,856.63/x
  3. Step 3: Cross multiply
    47,578.07x = 71,367.10 × 19,856.63
  4. Step 4: Simplify right side
    47,578.07x = 1,417,109,692.40
  5. Step 5: Solve for x
    x = 1,417,109,692.40/47,578.07
  6. Step 6: Final answer
    x = 29,784.94

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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.