Home / 35,431.39-48,895.30-19,515.84

Finding the Fourth Proportional to 35,431.39, 48,895.30 and 19,515.84

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Solution

The fourth proportional to 35,431.39, 48,895.30 and 19,515.84 is: 26,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.39 : 48,895.30 = 19,515.84 : x
  2. Step 2: Convert to fraction form
    35,431.39/48,895.30 = 19,515.84/x
  3. Step 3: Cross multiply
    35,431.39x = 48,895.30 × 19,515.84
  4. Step 4: Simplify right side
    35,431.39x = 954,232,665.15
  5. Step 5: Solve for x
    x = 954,232,665.15/35,431.39
  6. Step 6: Final answer
    x = 26,931.85

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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.