Home / 65,466.24-90,351.84-39,967.26

Finding the Fourth Proportional to 65,466.24, 90,351.84 and 39,967.26

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Solution

The fourth proportional to 65,466.24, 90,351.84 and 39,967.26 is: 55,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,466.24 : 90,351.84 = 39,967.26 : x
  2. Step 2: Convert to fraction form
    65,466.24/90,351.84 = 39,967.26/x
  3. Step 3: Cross multiply
    65,466.24x = 90,351.84 × 39,967.26
  4. Step 4: Simplify right side
    65,466.24x = 3,611,115,480.76
  5. Step 5: Solve for x
    x = 3,611,115,480.76/65,466.24
  6. Step 6: Final answer
    x = 55,159.96

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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.