Home / 47,862.96-71,788.98-12,805.32

Finding the Fourth Proportional to 47,862.96, 71,788.98 and 12,805.32

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Solution

The fourth proportional to 47,862.96, 71,788.98 and 12,805.32 is: 19,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,862.96 : 71,788.98 = 12,805.32 : x
  2. Step 2: Convert to fraction form
    47,862.96/71,788.98 = 12,805.32/x
  3. Step 3: Cross multiply
    47,862.96x = 71,788.98 × 12,805.32
  4. Step 4: Simplify right side
    47,862.96x = 919,280,861.37
  5. Step 5: Solve for x
    x = 919,280,861.37/47,862.96
  6. Step 6: Final answer
    x = 19,206.52

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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.