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Finding the Fourth Proportional to 46,641.48, 69,923.88 and 18,549.48

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Solution

The fourth proportional to 46,641.48, 69,923.88 and 18,549.48 is: 27,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,641.48 : 69,923.88 = 18,549.48 : x
  2. Step 2: Convert to fraction form
    46,641.48/69,923.88 = 18,549.48/x
  3. Step 3: Cross multiply
    46,641.48x = 69,923.88 × 18,549.48
  4. Step 4: Simplify right side
    46,641.48x = 1,297,051,613.58
  5. Step 5: Solve for x
    x = 1,297,051,613.58/46,641.48
  6. Step 6: Final answer
    x = 27,808.97

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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.