Home / 39,386.05-54,350.76-22,388.07

Finding the Fourth Proportional to 39,386.05, 54,350.76 and 22,388.07

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Solution

The fourth proportional to 39,386.05, 54,350.76 and 22,388.07 is: 30,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.05 : 54,350.76 = 22,388.07 : x
  2. Step 2: Convert to fraction form
    39,386.05/54,350.76 = 22,388.07/x
  3. Step 3: Cross multiply
    39,386.05x = 54,350.76 × 22,388.07
  4. Step 4: Simplify right side
    39,386.05x = 1,216,808,619.43
  5. Step 5: Solve for x
    x = 1,216,808,619.43/39,386.05
  6. Step 6: Final answer
    x = 30,894.41

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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.