Home / 39,065.40-53,918.64-25,470.44

Finding the Fourth Proportional to 39,065.40, 53,918.64 and 25,470.44

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Solution

The fourth proportional to 39,065.40, 53,918.64 and 25,470.44 is: 35,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.40 : 53,918.64 = 25,470.44 : x
  2. Step 2: Convert to fraction form
    39,065.40/53,918.64 = 25,470.44/x
  3. Step 3: Cross multiply
    39,065.40x = 53,918.64 × 25,470.44
  4. Step 4: Simplify right side
    39,065.40x = 1,373,331,485.00
  5. Step 5: Solve for x
    x = 1,373,331,485.00/39,065.40
  6. Step 6: Final answer
    x = 35,154.68

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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.