Home / 35,431.34-48,897.46-19,515.78

Finding the Fourth Proportional to 35,431.34, 48,897.46 and 19,515.78

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Solution

The fourth proportional to 35,431.34, 48,897.46 and 19,515.78 is: 26,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.34 : 48,897.46 = 19,515.78 : x
  2. Step 2: Convert to fraction form
    35,431.34/48,897.46 = 19,515.78/x
  3. Step 3: Cross multiply
    35,431.34x = 48,897.46 × 19,515.78
  4. Step 4: Simplify right side
    35,431.34x = 954,272,071.92
  5. Step 5: Solve for x
    x = 954,272,071.92/35,431.34
  6. Step 6: Final answer
    x = 26,932.99

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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.