Home / 39,399.38-54,363.70-23,485.31

Finding the Fourth Proportional to 39,399.38, 54,363.70 and 23,485.31

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Solution

The fourth proportional to 39,399.38, 54,363.70 and 23,485.31 is: 32,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.38 : 54,363.70 = 23,485.31 : x
  2. Step 2: Convert to fraction form
    39,399.38/54,363.70 = 23,485.31/x
  3. Step 3: Cross multiply
    39,399.38x = 54,363.70 × 23,485.31
  4. Step 4: Simplify right side
    39,399.38x = 1,276,748,308.65
  5. Step 5: Solve for x
    x = 1,276,748,308.65/39,399.38
  6. Step 6: Final answer
    x = 32,405.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.