Home / 39,102.52-53,947.33-25,681.05

Finding the Fourth Proportional to 39,102.52, 53,947.33 and 25,681.05

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Solution

The fourth proportional to 39,102.52, 53,947.33 and 25,681.05 is: 35,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.52 : 53,947.33 = 25,681.05 : x
  2. Step 2: Convert to fraction form
    39,102.52/53,947.33 = 25,681.05/x
  3. Step 3: Cross multiply
    39,102.52x = 53,947.33 × 25,681.05
  4. Step 4: Simplify right side
    39,102.52x = 1,385,424,079.10
  5. Step 5: Solve for x
    x = 1,385,424,079.10/39,102.52
  6. Step 6: Final answer
    x = 35,430.56

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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.