Home / 35,702.16-49,267.20-19,786.47

Finding the Fourth Proportional to 35,702.16, 49,267.20 and 19,786.47

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Solution

The fourth proportional to 35,702.16, 49,267.20 and 19,786.47 is: 27,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,702.16 : 49,267.20 = 19,786.47 : x
  2. Step 2: Convert to fraction form
    35,702.16/49,267.20 = 19,786.47/x
  3. Step 3: Cross multiply
    35,702.16x = 49,267.20 × 19,786.47
  4. Step 4: Simplify right side
    35,702.16x = 974,823,974.78
  5. Step 5: Solve for x
    x = 974,823,974.78/35,702.16
  6. Step 6: Final answer
    x = 27,304.34

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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.