Home / 35,798.05-49,408.68-20,688.58

Finding the Fourth Proportional to 35,798.05, 49,408.68 and 20,688.58

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Solution

The fourth proportional to 35,798.05, 49,408.68 and 20,688.58 is: 28,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.05 : 49,408.68 = 20,688.58 : x
  2. Step 2: Convert to fraction form
    35,798.05/49,408.68 = 20,688.58/x
  3. Step 3: Cross multiply
    35,798.05x = 49,408.68 × 20,688.58
  4. Step 4: Simplify right side
    35,798.05x = 1,022,195,428.87
  5. Step 5: Solve for x
    x = 1,022,195,428.87/35,798.05
  6. Step 6: Final answer
    x = 28,554.50

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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.