Home / 39,100.80-53,955.60-23,182.56

Finding the Fourth Proportional to 39,100.80, 53,955.60 and 23,182.56

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Solution

The fourth proportional to 39,100.80, 53,955.60 and 23,182.56 is: 31,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.80 : 53,955.60 = 23,182.56 : x
  2. Step 2: Convert to fraction form
    39,100.80/53,955.60 = 23,182.56/x
  3. Step 3: Cross multiply
    39,100.80x = 53,955.60 × 23,182.56
  4. Step 4: Simplify right side
    39,100.80x = 1,250,828,934.34
  5. Step 5: Solve for x
    x = 1,250,828,934.34/39,100.80
  6. Step 6: Final answer
    x = 31,989.86

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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.