Home / 39,030.99-58,485.15-30,168.01

Finding the Fourth Proportional to 39,030.99, 58,485.15 and 30,168.01

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Solution

The fourth proportional to 39,030.99, 58,485.15 and 30,168.01 is: 45,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.99 : 58,485.15 = 30,168.01 : x
  2. Step 2: Convert to fraction form
    39,030.99/58,485.15 = 30,168.01/x
  3. Step 3: Cross multiply
    39,030.99x = 58,485.15 × 30,168.01
  4. Step 4: Simplify right side
    39,030.99x = 1,764,380,663.16
  5. Step 5: Solve for x
    x = 1,764,380,663.16/39,030.99
  6. Step 6: Final answer
    x = 45,204.61

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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.