Home / 35,588.40-49,107.68-19,670.66

Finding the Fourth Proportional to 35,588.40, 49,107.68 and 19,670.66

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Solution

The fourth proportional to 35,588.40, 49,107.68 and 19,670.66 is: 27,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,588.40 : 49,107.68 = 19,670.66 : x
  2. Step 2: Convert to fraction form
    35,588.40/49,107.68 = 19,670.66/x
  3. Step 3: Cross multiply
    35,588.40x = 49,107.68 × 19,670.66
  4. Step 4: Simplify right side
    35,588.40x = 965,980,476.67
  5. Step 5: Solve for x
    x = 965,980,476.67/35,588.40
  6. Step 6: Final answer
    x = 27,143.13

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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.