Home / 35,530.27-53,298.23-20,740.68

Finding the Fourth Proportional to 35,530.27, 53,298.23 and 20,740.68

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Solution

The fourth proportional to 35,530.27, 53,298.23 and 20,740.68 is: 31,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.27 : 53,298.23 = 20,740.68 : x
  2. Step 2: Convert to fraction form
    35,530.27/53,298.23 = 20,740.68/x
  3. Step 3: Cross multiply
    35,530.27x = 53,298.23 × 20,740.68
  4. Step 4: Simplify right side
    35,530.27x = 1,105,441,533.00
  5. Step 5: Solve for x
    x = 1,105,441,533.00/35,530.27
  6. Step 6: Final answer
    x = 31,112.67

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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.