Home / 35,431.09-48,897.12-19,515.53

Finding the Fourth Proportional to 35,431.09, 48,897.12 and 19,515.53

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Solution

The fourth proportional to 35,431.09, 48,897.12 and 19,515.53 is: 26,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.09 : 48,897.12 = 19,515.53 : x
  2. Step 2: Convert to fraction form
    35,431.09/48,897.12 = 19,515.53/x
  3. Step 3: Cross multiply
    35,431.09x = 48,897.12 × 19,515.53
  4. Step 4: Simplify right side
    35,431.09x = 954,253,114.70
  5. Step 5: Solve for x
    x = 954,253,114.70/35,431.09
  6. Step 6: Final answer
    x = 26,932.65

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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.