Home / 35,431.30-48,892.95-19,515.75

Finding the Fourth Proportional to 35,431.30, 48,892.95 and 19,515.75

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Solution

The fourth proportional to 35,431.30, 48,892.95 and 19,515.75 is: 26,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.30 : 48,892.95 = 19,515.75 : x
  2. Step 2: Convert to fraction form
    35,431.30/48,892.95 = 19,515.75/x
  3. Step 3: Cross multiply
    35,431.30x = 48,892.95 × 19,515.75
  4. Step 4: Simplify right side
    35,431.30x = 954,182,588.96
  5. Step 5: Solve for x
    x = 954,182,588.96/35,431.30
  6. Step 6: Final answer
    x = 26,930.50

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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.