Home / 45,475.42-68,222.58-19,180.40

Finding the Fourth Proportional to 45,475.42, 68,222.58 and 19,180.40

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Solution

The fourth proportional to 45,475.42, 68,222.58 and 19,180.40 is: 28,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,475.42 : 68,222.58 = 19,180.40 : x
  2. Step 2: Convert to fraction form
    45,475.42/68,222.58 = 19,180.40/x
  3. Step 3: Cross multiply
    45,475.42x = 68,222.58 × 19,180.40
  4. Step 4: Simplify right side
    45,475.42x = 1,308,536,373.43
  5. Step 5: Solve for x
    x = 1,308,536,373.43/45,475.42
  6. Step 6: Final answer
    x = 28,774.59

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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.