Home / 66,657.42-91,987.29-36,442.26

Finding the Fourth Proportional to 66,657.42, 91,987.29 and 36,442.26

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Solution

The fourth proportional to 66,657.42, 91,987.29 and 36,442.26 is: 50,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,657.42 : 91,987.29 = 36,442.26 : x
  2. Step 2: Convert to fraction form
    66,657.42/91,987.29 = 36,442.26/x
  3. Step 3: Cross multiply
    66,657.42x = 91,987.29 × 36,442.26
  4. Step 4: Simplify right side
    66,657.42x = 3,352,224,738.88
  5. Step 5: Solve for x
    x = 3,352,224,738.88/66,657.42
  6. Step 6: Final answer
    x = 50,290.35

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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.