Home / 65,824.08-90,835.56-38,967

Finding the Fourth Proportional to 65,824.08, 90,835.56 and 38,967

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Solution

The fourth proportional to 65,824.08, 90,835.56 and 38,967 is: 53,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,824.08 : 90,835.56 = 38,967 : x
  2. Step 2: Convert to fraction form
    65,824.08/90,835.56 = 38,967/x
  3. Step 3: Cross multiply
    65,824.08x = 90,835.56 × 38,967
  4. Step 4: Simplify right side
    65,824.08x = 3,539,589,266.52
  5. Step 5: Solve for x
    x = 3,539,589,266.52/65,824.08
  6. Step 6: Final answer
    x = 53,773.47

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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.