Home / 39,484.09-54,490.68-22,260.71

Finding the Fourth Proportional to 39,484.09, 54,490.68 and 22,260.71

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Solution

The fourth proportional to 39,484.09, 54,490.68 and 22,260.71 is: 30,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,484.09 : 54,490.68 = 22,260.71 : x
  2. Step 2: Convert to fraction form
    39,484.09/54,490.68 = 22,260.71/x
  3. Step 3: Cross multiply
    39,484.09x = 54,490.68 × 22,260.71
  4. Step 4: Simplify right side
    39,484.09x = 1,213,001,225.18
  5. Step 5: Solve for x
    x = 1,213,001,225.18/39,484.09
  6. Step 6: Final answer
    x = 30,721.27

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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.