Home / 47,856.63-71,784.95-12,795.38

Finding the Fourth Proportional to 47,856.63, 71,784.95 and 12,795.38

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Solution

The fourth proportional to 47,856.63, 71,784.95 and 12,795.38 is: 19,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.63 : 71,784.95 = 12,795.38 : x
  2. Step 2: Convert to fraction form
    47,856.63/71,784.95 = 12,795.38/x
  3. Step 3: Cross multiply
    47,856.63x = 71,784.95 × 12,795.38
  4. Step 4: Simplify right side
    47,856.63x = 918,515,290.63
  5. Step 5: Solve for x
    x = 918,515,290.63/47,856.63
  6. Step 6: Final answer
    x = 19,193.06

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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.