Home / 65,414.02-90,272.30-36,739.89

Finding the Fourth Proportional to 65,414.02, 90,272.30 and 36,739.89

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Solution

The fourth proportional to 65,414.02, 90,272.30 and 36,739.89 is: 50,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.02 : 90,272.30 = 36,739.89 : x
  2. Step 2: Convert to fraction form
    65,414.02/90,272.30 = 36,739.89/x
  3. Step 3: Cross multiply
    65,414.02x = 90,272.30 × 36,739.89
  4. Step 4: Simplify right side
    65,414.02x = 3,316,594,372.05
  5. Step 5: Solve for x
    x = 3,316,594,372.05/65,414.02
  6. Step 6: Final answer
    x = 50,701.58

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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.