Home / 47,619.24-71,412.30-19,531.32

Finding the Fourth Proportional to 47,619.24, 71,412.30 and 19,531.32

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Solution

The fourth proportional to 47,619.24, 71,412.30 and 19,531.32 is: 29,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.24 : 71,412.30 = 19,531.32 : x
  2. Step 2: Convert to fraction form
    47,619.24/71,412.30 = 19,531.32/x
  3. Step 3: Cross multiply
    47,619.24x = 71,412.30 × 19,531.32
  4. Step 4: Simplify right side
    47,619.24x = 1,394,776,483.24
  5. Step 5: Solve for x
    x = 1,394,776,483.24/47,619.24
  6. Step 6: Final answer
    x = 29,290.19

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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.