Home / 42,450.05-63,666.84-40,342.70

Finding the Fourth Proportional to 42,450.05, 63,666.84 and 40,342.70

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Solution

The fourth proportional to 42,450.05, 63,666.84 and 40,342.70 is: 60,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.05 : 63,666.84 = 40,342.70 : x
  2. Step 2: Convert to fraction form
    42,450.05/63,666.84 = 40,342.70/x
  3. Step 3: Cross multiply
    42,450.05x = 63,666.84 × 40,342.70
  4. Step 4: Simplify right side
    42,450.05x = 2,568,492,226.07
  5. Step 5: Solve for x
    x = 2,568,492,226.07/42,450.05
  6. Step 6: Final answer
    x = 60,506.22

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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.