Home / 46,490.72-69,736.08-18,808.16

Finding the Fourth Proportional to 46,490.72, 69,736.08 and 18,808.16

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Solution

The fourth proportional to 46,490.72, 69,736.08 and 18,808.16 is: 28,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,490.72 : 69,736.08 = 18,808.16 : x
  2. Step 2: Convert to fraction form
    46,490.72/69,736.08 = 18,808.16/x
  3. Step 3: Cross multiply
    46,490.72x = 69,736.08 × 18,808.16
  4. Step 4: Simplify right side
    46,490.72x = 1,311,607,350.41
  5. Step 5: Solve for x
    x = 1,311,607,350.41/46,490.72
  6. Step 6: Final answer
    x = 28,212.24

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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.