Home / 65,254.36-90,059.58-36,961

Finding the Fourth Proportional to 65,254.36, 90,059.58 and 36,961

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Solution

The fourth proportional to 65,254.36, 90,059.58 and 36,961 is: 51,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,254.36 : 90,059.58 = 36,961 : x
  2. Step 2: Convert to fraction form
    65,254.36/90,059.58 = 36,961/x
  3. Step 3: Cross multiply
    65,254.36x = 90,059.58 × 36,961
  4. Step 4: Simplify right side
    65,254.36x = 3,328,692,136.38
  5. Step 5: Solve for x
    x = 3,328,692,136.38/65,254.36
  6. Step 6: Final answer
    x = 51,011.03

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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.