Home / 35,688.70-49,249.09-20,581.99

Finding the Fourth Proportional to 35,688.70, 49,249.09 and 20,581.99

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Solution

The fourth proportional to 35,688.70, 49,249.09 and 20,581.99 is: 28,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.70 : 49,249.09 = 20,581.99 : x
  2. Step 2: Convert to fraction form
    35,688.70/49,249.09 = 20,581.99/x
  3. Step 3: Cross multiply
    35,688.70x = 49,249.09 × 20,581.99
  4. Step 4: Simplify right side
    35,688.70x = 1,013,644,277.89
  5. Step 5: Solve for x
    x = 1,013,644,277.89/35,688.70
  6. Step 6: Final answer
    x = 28,402.39

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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.