Home / 35,528.27-53,295.23-20,738.68

Finding the Fourth Proportional to 35,528.27, 53,295.23 and 20,738.68

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Solution

The fourth proportional to 35,528.27, 53,295.23 and 20,738.68 is: 31,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.27 : 53,295.23 = 20,738.68 : x
  2. Step 2: Convert to fraction form
    35,528.27/53,295.23 = 20,738.68/x
  3. Step 3: Cross multiply
    35,528.27x = 53,295.23 × 20,738.68
  4. Step 4: Simplify right side
    35,528.27x = 1,105,272,639.11
  5. Step 5: Solve for x
    x = 1,105,272,639.11/35,528.27
  6. Step 6: Final answer
    x = 31,109.67

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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.