Home / 47,711.98-71,570.48-14,431.19

Finding the Fourth Proportional to 47,711.98, 71,570.48 and 14,431.19

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Solution

The fourth proportional to 47,711.98, 71,570.48 and 14,431.19 is: 21,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.98 : 71,570.48 = 14,431.19 : x
  2. Step 2: Convert to fraction form
    47,711.98/71,570.48 = 14,431.19/x
  3. Step 3: Cross multiply
    47,711.98x = 71,570.48 × 14,431.19
  4. Step 4: Simplify right side
    47,711.98x = 1,032,847,302.04
  5. Step 5: Solve for x
    x = 1,032,847,302.04/47,711.98
  6. Step 6: Final answer
    x = 21,647.55

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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.