Home / 33,808.64-46,630.40-20,364.80

Finding the Fourth Proportional to 33,808.64, 46,630.40 and 20,364.80

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Solution

The fourth proportional to 33,808.64, 46,630.40 and 20,364.80 is: 28,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,808.64 : 46,630.40 = 20,364.80 : x
  2. Step 2: Convert to fraction form
    33,808.64/46,630.40 = 20,364.80/x
  3. Step 3: Cross multiply
    33,808.64x = 46,630.40 × 20,364.80
  4. Step 4: Simplify right side
    33,808.64x = 949,618,769.92
  5. Step 5: Solve for x
    x = 949,618,769.92/33,808.64
  6. Step 6: Final answer
    x = 28,088.05

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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.