Home / 34,689.78-47,868.30-19,583.28

Finding the Fourth Proportional to 34,689.78, 47,868.30 and 19,583.28

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Solution

The fourth proportional to 34,689.78, 47,868.30 and 19,583.28 is: 27,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.78 : 47,868.30 = 19,583.28 : x
  2. Step 2: Convert to fraction form
    34,689.78/47,868.30 = 19,583.28/x
  3. Step 3: Cross multiply
    34,689.78x = 47,868.30 × 19,583.28
  4. Step 4: Simplify right side
    34,689.78x = 937,418,322.02
  5. Step 5: Solve for x
    x = 937,418,322.02/34,689.78
  6. Step 6: Final answer
    x = 27,022.90

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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.