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Finding the Fourth Proportional to 35,307.38, 52,961.02 and 9,012.12

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Solution

The fourth proportional to 35,307.38, 52,961.02 and 9,012.12 is: 13,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.38 : 52,961.02 = 9,012.12 : x
  2. Step 2: Convert to fraction form
    35,307.38/52,961.02 = 9,012.12/x
  3. Step 3: Cross multiply
    35,307.38x = 52,961.02 × 9,012.12
  4. Step 4: Simplify right side
    35,307.38x = 477,291,045.03
  5. Step 5: Solve for x
    x = 477,291,045.03/35,307.38
  6. Step 6: Final answer
    x = 13,518.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.