Home / 66,017.12-91,102.38-37,336.28

Finding the Fourth Proportional to 66,017.12, 91,102.38 and 37,336.28

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Solution

The fourth proportional to 66,017.12, 91,102.38 and 37,336.28 is: 51,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,017.12 : 91,102.38 = 37,336.28 : x
  2. Step 2: Convert to fraction form
    66,017.12/91,102.38 = 37,336.28/x
  3. Step 3: Cross multiply
    66,017.12x = 91,102.38 × 37,336.28
  4. Step 4: Simplify right side
    66,017.12x = 3,401,423,968.35
  5. Step 5: Solve for x
    x = 3,401,423,968.35/66,017.12
  6. Step 6: Final answer
    x = 51,523.36

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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.