Home / 35,790.76-49,389.60-19,876.22

Finding the Fourth Proportional to 35,790.76, 49,389.60 and 19,876.22

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Solution

The fourth proportional to 35,790.76, 49,389.60 and 19,876.22 is: 27,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.76 : 49,389.60 = 19,876.22 : x
  2. Step 2: Convert to fraction form
    35,790.76/49,389.60 = 19,876.22/x
  3. Step 3: Cross multiply
    35,790.76x = 49,389.60 × 19,876.22
  4. Step 4: Simplify right side
    35,790.76x = 981,678,555.31
  5. Step 5: Solve for x
    x = 981,678,555.31/35,790.76
  6. Step 6: Final answer
    x = 27,428.27

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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.