Home / 35,943.32-49,602.11-19,811.21

Finding the Fourth Proportional to 35,943.32, 49,602.11 and 19,811.21

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Solution

The fourth proportional to 35,943.32, 49,602.11 and 19,811.21 is: 27,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,943.32 : 49,602.11 = 19,811.21 : x
  2. Step 2: Convert to fraction form
    35,943.32/49,602.11 = 19,811.21/x
  3. Step 3: Cross multiply
    35,943.32x = 49,602.11 × 19,811.21
  4. Step 4: Simplify right side
    35,943.32x = 982,677,817.65
  5. Step 5: Solve for x
    x = 982,677,817.65/35,943.32
  6. Step 6: Final answer
    x = 27,339.65

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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.