Home / 47,371.22-71,081.73-19,312.01

Finding the Fourth Proportional to 47,371.22, 71,081.73 and 19,312.01

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Solution

The fourth proportional to 47,371.22, 71,081.73 and 19,312.01 is: 28,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371.22 : 71,081.73 = 19,312.01 : x
  2. Step 2: Convert to fraction form
    47,371.22/71,081.73 = 19,312.01/x
  3. Step 3: Cross multiply
    47,371.22x = 71,081.73 × 19,312.01
  4. Step 4: Simplify right side
    47,371.22x = 1,372,730,725.17
  5. Step 5: Solve for x
    x = 1,372,730,725.17/47,371.22
  6. Step 6: Final answer
    x = 28,978.16

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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.