Home / 35,702.08-49,269.24-19,786.72

Finding the Fourth Proportional to 35,702.08, 49,269.24 and 19,786.72

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Solution

The fourth proportional to 35,702.08, 49,269.24 and 19,786.72 is: 27,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,702.08 : 49,269.24 = 19,786.72 : x
  2. Step 2: Convert to fraction form
    35,702.08/49,269.24 = 19,786.72/x
  3. Step 3: Cross multiply
    35,702.08x = 49,269.24 × 19,786.72
  4. Step 4: Simplify right side
    35,702.08x = 974,876,656.49
  5. Step 5: Solve for x
    x = 974,876,656.49/35,702.08
  6. Step 6: Final answer
    x = 27,305.88

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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.