Home / 39,328.81-54,275.06-22,333.79

Finding the Fourth Proportional to 39,328.81, 54,275.06 and 22,333.79

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Solution

The fourth proportional to 39,328.81, 54,275.06 and 22,333.79 is: 30,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,328.81 : 54,275.06 = 22,333.79 : x
  2. Step 2: Convert to fraction form
    39,328.81/54,275.06 = 22,333.79/x
  3. Step 3: Cross multiply
    39,328.81x = 54,275.06 × 22,333.79
  4. Step 4: Simplify right side
    39,328.81x = 1,212,167,792.28
  5. Step 5: Solve for x
    x = 1,212,167,792.28/39,328.81
  6. Step 6: Final answer
    x = 30,821.37

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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.