Home / 47,480.34-71,194.23-19,420.10

Finding the Fourth Proportional to 47,480.34, 71,194.23 and 19,420.10

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Solution

The fourth proportional to 47,480.34, 71,194.23 and 19,420.10 is: 29,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.34 : 71,194.23 = 19,420.10 : x
  2. Step 2: Convert to fraction form
    47,480.34/71,194.23 = 19,420.10/x
  3. Step 3: Cross multiply
    47,480.34x = 71,194.23 × 19,420.10
  4. Step 4: Simplify right side
    47,480.34x = 1,382,599,066.02
  5. Step 5: Solve for x
    x = 1,382,599,066.02/47,480.34
  6. Step 6: Final answer
    x = 29,119.40

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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.