Home / 46,506.89-69,758.78-20,211.64

Finding the Fourth Proportional to 46,506.89, 69,758.78 and 20,211.64

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Solution

The fourth proportional to 46,506.89, 69,758.78 and 20,211.64 is: 30,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,506.89 : 69,758.78 = 20,211.64 : x
  2. Step 2: Convert to fraction form
    46,506.89/69,758.78 = 20,211.64/x
  3. Step 3: Cross multiply
    46,506.89x = 69,758.78 × 20,211.64
  4. Step 4: Simplify right side
    46,506.89x = 1,409,938,999.41
  5. Step 5: Solve for x
    x = 1,409,938,999.41/46,506.89
  6. Step 6: Final answer
    x = 30,316.78

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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.