Home / 45,838.60-68,641.20-30,208.84

Finding the Fourth Proportional to 45,838.60, 68,641.20 and 30,208.84

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Solution

The fourth proportional to 45,838.60, 68,641.20 and 30,208.84 is: 45,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838.60 : 68,641.20 = 30,208.84 : x
  2. Step 2: Convert to fraction form
    45,838.60/68,641.20 = 30,208.84/x
  3. Step 3: Cross multiply
    45,838.60x = 68,641.20 × 30,208.84
  4. Step 4: Simplify right side
    45,838.60x = 2,073,571,028.21
  5. Step 5: Solve for x
    x = 2,073,571,028.21/45,838.60
  6. Step 6: Final answer
    x = 45,236.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.