Home / 39,140.10-53,976.54-26,395.36

Finding the Fourth Proportional to 39,140.10, 53,976.54 and 26,395.36

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Solution

The fourth proportional to 39,140.10, 53,976.54 and 26,395.36 is: 36,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.10 : 53,976.54 = 26,395.36 : x
  2. Step 2: Convert to fraction form
    39,140.10/53,976.54 = 26,395.36/x
  3. Step 3: Cross multiply
    39,140.10x = 53,976.54 × 26,395.36
  4. Step 4: Simplify right side
    39,140.10x = 1,424,729,934.97
  5. Step 5: Solve for x
    x = 1,424,729,934.97/39,140.10
  6. Step 6: Final answer
    x = 36,400.77

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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.