Home / 71,401.43-98,537.30-39,570.33

Finding the Fourth Proportional to 71,401.43, 98,537.30 and 39,570.33

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Solution

The fourth proportional to 71,401.43, 98,537.30 and 39,570.33 is: 54,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,401.43 : 98,537.30 = 39,570.33 : x
  2. Step 2: Convert to fraction form
    71,401.43/98,537.30 = 39,570.33/x
  3. Step 3: Cross multiply
    71,401.43x = 98,537.30 × 39,570.33
  4. Step 4: Simplify right side
    71,401.43x = 3,899,153,798.36
  5. Step 5: Solve for x
    x = 3,899,153,798.36/71,401.43
  6. Step 6: Final answer
    x = 54,608.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.