Home / 35,906.65-49,550.27-19,990.76

Finding the Fourth Proportional to 35,906.65, 49,550.27 and 19,990.76

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Solution

The fourth proportional to 35,906.65, 49,550.27 and 19,990.76 is: 27,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.65 : 49,550.27 = 19,990.76 : x
  2. Step 2: Convert to fraction form
    35,906.65/49,550.27 = 19,990.76/x
  3. Step 3: Cross multiply
    35,906.65x = 49,550.27 × 19,990.76
  4. Step 4: Simplify right side
    35,906.65x = 990,547,207.80
  5. Step 5: Solve for x
    x = 990,547,207.80/35,906.65
  6. Step 6: Final answer
    x = 27,586.74

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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.