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Finding the Fourth Proportional to 33,572.71, 46,328.90 and 18,464.39

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Solution

The fourth proportional to 33,572.71, 46,328.90 and 18,464.39 is: 25,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,572.71 : 46,328.90 = 18,464.39 : x
  2. Step 2: Convert to fraction form
    33,572.71/46,328.90 = 18,464.39/x
  3. Step 3: Cross multiply
    33,572.71x = 46,328.90 × 18,464.39
  4. Step 4: Simplify right side
    33,572.71x = 855,434,970.61
  5. Step 5: Solve for x
    x = 855,434,970.61/33,572.71
  6. Step 6: Final answer
    x = 25,480.07

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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.