Home / 71,048.42-98,047.63-39,217.34

Finding the Fourth Proportional to 71,048.42, 98,047.63 and 39,217.34

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Solution

The fourth proportional to 71,048.42, 98,047.63 and 39,217.34 is: 54,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048.42 : 98,047.63 = 39,217.34 : x
  2. Step 2: Convert to fraction form
    71,048.42/98,047.63 = 39,217.34/x
  3. Step 3: Cross multiply
    71,048.42x = 98,047.63 × 39,217.34
  4. Step 4: Simplify right side
    71,048.42x = 3,845,167,536.04
  5. Step 5: Solve for x
    x = 3,845,167,536.04/71,048.42
  6. Step 6: Final answer
    x = 54,120.38

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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.