Home / 47,856.23-71,784.12-14,575.11

Finding the Fourth Proportional to 47,856.23, 71,784.12 and 14,575.11

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Solution

The fourth proportional to 47,856.23, 71,784.12 and 14,575.11 is: 21,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.23 : 71,784.12 = 14,575.11 : x
  2. Step 2: Convert to fraction form
    47,856.23/71,784.12 = 14,575.11/x
  3. Step 3: Cross multiply
    47,856.23x = 71,784.12 × 14,575.11
  4. Step 4: Simplify right side
    47,856.23x = 1,046,261,445.25
  5. Step 5: Solve for x
    x = 1,046,261,445.25/47,856.23
  6. Step 6: Final answer
    x = 21,862.60

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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.