Home / 35,776.58-49,370.31-19,644.35

Finding the Fourth Proportional to 35,776.58, 49,370.31 and 19,644.35

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Solution

The fourth proportional to 35,776.58, 49,370.31 and 19,644.35 is: 27,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.58 : 49,370.31 = 19,644.35 : x
  2. Step 2: Convert to fraction form
    35,776.58/49,370.31 = 19,644.35/x
  3. Step 3: Cross multiply
    35,776.58x = 49,370.31 × 19,644.35
  4. Step 4: Simplify right side
    35,776.58x = 969,847,402.40
  5. Step 5: Solve for x
    x = 969,847,402.40/35,776.58
  6. Step 6: Final answer
    x = 27,108.45

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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.