Home / 47,817.95-71,664.35-19,705.28

Finding the Fourth Proportional to 47,817.95, 71,664.35 and 19,705.28

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Solution

The fourth proportional to 47,817.95, 71,664.35 and 19,705.28 is: 29,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.95 : 71,664.35 = 19,705.28 : x
  2. Step 2: Convert to fraction form
    47,817.95/71,664.35 = 19,705.28/x
  3. Step 3: Cross multiply
    47,817.95x = 71,664.35 × 19,705.28
  4. Step 4: Simplify right side
    47,817.95x = 1,412,165,625.92
  5. Step 5: Solve for x
    x = 1,412,165,625.92/47,817.95
  6. Step 6: Final answer
    x = 29,532.13

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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.