Home / 66,008.03-91,071.55-37,712.03

Finding the Fourth Proportional to 66,008.03, 91,071.55 and 37,712.03

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Solution

The fourth proportional to 66,008.03, 91,071.55 and 37,712.03 is: 52,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.03 : 91,071.55 = 37,712.03 : x
  2. Step 2: Convert to fraction form
    66,008.03/91,071.55 = 37,712.03/x
  3. Step 3: Cross multiply
    66,008.03x = 91,071.55 × 37,712.03
  4. Step 4: Simplify right side
    66,008.03x = 3,434,493,025.75
  5. Step 5: Solve for x
    x = 3,434,493,025.75/66,008.03
  6. Step 6: Final answer
    x = 52,031.44

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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.