Home / 42,914.26-64,381.12-15,212.26

Finding the Fourth Proportional to 42,914.26, 64,381.12 and 15,212.26

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Solution

The fourth proportional to 42,914.26, 64,381.12 and 15,212.26 is: 22,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,914.26 : 64,381.12 = 15,212.26 : x
  2. Step 2: Convert to fraction form
    42,914.26/64,381.12 = 15,212.26/x
  3. Step 3: Cross multiply
    42,914.26x = 64,381.12 × 15,212.26
  4. Step 4: Simplify right side
    42,914.26x = 979,382,336.53
  5. Step 5: Solve for x
    x = 979,382,336.53/42,914.26
  6. Step 6: Final answer
    x = 22,821.84

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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.