Home / 43,318.40-64,945.20-23,619.20

Finding the Fourth Proportional to 43,318.40, 64,945.20 and 23,619.20

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Solution

The fourth proportional to 43,318.40, 64,945.20 and 23,619.20 is: 35,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.40 : 64,945.20 = 23,619.20 : x
  2. Step 2: Convert to fraction form
    43,318.40/64,945.20 = 23,619.20/x
  3. Step 3: Cross multiply
    43,318.40x = 64,945.20 × 23,619.20
  4. Step 4: Simplify right side
    43,318.40x = 1,533,953,667.84
  5. Step 5: Solve for x
    x = 1,533,953,667.84/43,318.40
  6. Step 6: Final answer
    x = 35,411.13

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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.