Home / 47,688.40-71,504.76-14,398.48

Finding the Fourth Proportional to 47,688.40, 71,504.76 and 14,398.48

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Solution

The fourth proportional to 47,688.40, 71,504.76 and 14,398.48 is: 21,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.40 : 71,504.76 = 14,398.48 : x
  2. Step 2: Convert to fraction form
    47,688.40/71,504.76 = 14,398.48/x
  3. Step 3: Cross multiply
    47,688.40x = 71,504.76 × 14,398.48
  4. Step 4: Simplify right side
    47,688.40x = 1,029,559,856.76
  5. Step 5: Solve for x
    x = 1,029,559,856.76/47,688.40
  6. Step 6: Final answer
    x = 21,589.31

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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.