Home / 33,387.48-46,074.74-20,812.28

Finding the Fourth Proportional to 33,387.48, 46,074.74 and 20,812.28

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Solution

The fourth proportional to 33,387.48, 46,074.74 and 20,812.28 is: 28,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.48 : 46,074.74 = 20,812.28 : x
  2. Step 2: Convert to fraction form
    33,387.48/46,074.74 = 20,812.28/x
  3. Step 3: Cross multiply
    33,387.48x = 46,074.74 × 20,812.28
  4. Step 4: Simplify right side
    33,387.48x = 958,920,389.81
  5. Step 5: Solve for x
    x = 958,920,389.81/33,387.48
  6. Step 6: Final answer
    x = 28,720.96

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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.