Home / 35,101.10-52,688.10-20,338.85

Finding the Fourth Proportional to 35,101.10, 52,688.10 and 20,338.85

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Solution

The fourth proportional to 35,101.10, 52,688.10 and 20,338.85 is: 30,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,101.10 : 52,688.10 = 20,338.85 : x
  2. Step 2: Convert to fraction form
    35,101.10/52,688.10 = 20,338.85/x
  3. Step 3: Cross multiply
    35,101.10x = 52,688.10 × 20,338.85
  4. Step 4: Simplify right side
    35,101.10x = 1,071,615,099.24
  5. Step 5: Solve for x
    x = 1,071,615,099.24/35,101.10
  6. Step 6: Final answer
    x = 30,529.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.