Home / 35,721.50-49,298.67-19,811.07

Finding the Fourth Proportional to 35,721.50, 49,298.67 and 19,811.07

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Solution

The fourth proportional to 35,721.50, 49,298.67 and 19,811.07 is: 27,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.50 : 49,298.67 = 19,811.07 : x
  2. Step 2: Convert to fraction form
    35,721.50/49,298.67 = 19,811.07/x
  3. Step 3: Cross multiply
    35,721.50x = 49,298.67 × 19,811.07
  4. Step 4: Simplify right side
    35,721.50x = 976,659,402.28
  5. Step 5: Solve for x
    x = 976,659,402.28/35,721.50
  6. Step 6: Final answer
    x = 27,340.94

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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.