Home / 33,088.39-45,669.18-20,352.52

Finding the Fourth Proportional to 33,088.39, 45,669.18 and 20,352.52

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Solution

The fourth proportional to 33,088.39, 45,669.18 and 20,352.52 is: 28,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.39 : 45,669.18 = 20,352.52 : x
  2. Step 2: Convert to fraction form
    33,088.39/45,669.18 = 20,352.52/x
  3. Step 3: Cross multiply
    33,088.39x = 45,669.18 × 20,352.52
  4. Step 4: Simplify right side
    33,088.39x = 929,482,899.33
  5. Step 5: Solve for x
    x = 929,482,899.33/33,088.39
  6. Step 6: Final answer
    x = 28,090.91

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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.