Home / 39,089.70-53,934.39-23,178.06

Finding the Fourth Proportional to 39,089.70, 53,934.39 and 23,178.06

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Solution

The fourth proportional to 39,089.70, 53,934.39 and 23,178.06 is: 31,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.70 : 53,934.39 = 23,178.06 : x
  2. Step 2: Convert to fraction form
    39,089.70/53,934.39 = 23,178.06/x
  3. Step 3: Cross multiply
    39,089.70x = 53,934.39 × 23,178.06
  4. Step 4: Simplify right side
    39,089.70x = 1,250,094,527.48
  5. Step 5: Solve for x
    x = 1,250,094,527.48/39,089.70
  6. Step 6: Final answer
    x = 31,980.15

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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.