Home / 35,604.32-49,134.28-19,689.84

Finding the Fourth Proportional to 35,604.32, 49,134.28 and 19,689.84

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Solution

The fourth proportional to 35,604.32, 49,134.28 and 19,689.84 is: 27,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,604.32 : 49,134.28 = 19,689.84 : x
  2. Step 2: Convert to fraction form
    35,604.32/49,134.28 = 19,689.84/x
  3. Step 3: Cross multiply
    35,604.32x = 49,134.28 × 19,689.84
  4. Step 4: Simplify right side
    35,604.32x = 967,446,111.72
  5. Step 5: Solve for x
    x = 967,446,111.72/35,604.32
  6. Step 6: Final answer
    x = 27,172.16

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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.