Home / 71,017.26-98,004.42-39,188.28

Finding the Fourth Proportional to 71,017.26, 98,004.42 and 39,188.28

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Solution

The fourth proportional to 71,017.26, 98,004.42 and 39,188.28 is: 54,080.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017.26 : 98,004.42 = 39,188.28 : x
  2. Step 2: Convert to fraction form
    71,017.26/98,004.42 = 39,188.28/x
  3. Step 3: Cross multiply
    71,017.26x = 98,004.42 × 39,188.28
  4. Step 4: Simplify right side
    71,017.26x = 3,840,624,652.20
  5. Step 5: Solve for x
    x = 3,840,624,652.20/71,017.26
  6. Step 6: Final answer
    x = 54,080.16

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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.