Home / 71,006.36-97,987.12-39,175.24

Finding the Fourth Proportional to 71,006.36, 97,987.12 and 39,175.24

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Solution

The fourth proportional to 71,006.36, 97,987.12 and 39,175.24 is: 54,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,006.36 : 97,987.12 = 39,175.24 : x
  2. Step 2: Convert to fraction form
    71,006.36/97,987.12 = 39,175.24/x
  3. Step 3: Cross multiply
    71,006.36x = 97,987.12 × 39,175.24
  4. Step 4: Simplify right side
    71,006.36x = 3,838,668,942.91
  5. Step 5: Solve for x
    x = 3,838,668,942.91/71,006.36
  6. Step 6: Final answer
    x = 54,060.92

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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.