Home / 30,384.36-41,928.99-22,423.68

Finding the Fourth Proportional to 30,384.36, 41,928.99 and 22,423.68

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Solution

The fourth proportional to 30,384.36, 41,928.99 and 22,423.68 is: 30,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.36 : 41,928.99 = 22,423.68 : x
  2. Step 2: Convert to fraction form
    30,384.36/41,928.99 = 22,423.68/x
  3. Step 3: Cross multiply
    30,384.36x = 41,928.99 × 22,423.68
  4. Step 4: Simplify right side
    30,384.36x = 940,202,254.48
  5. Step 5: Solve for x
    x = 940,202,254.48/30,384.36
  6. Step 6: Final answer
    x = 30,943.63

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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.