Home / 46,450.40-64,128.06-30,580.97

Finding the Fourth Proportional to 46,450.40, 64,128.06 and 30,580.97

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Solution

The fourth proportional to 46,450.40, 64,128.06 and 30,580.97 is: 42,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,450.40 : 64,128.06 = 30,580.97 : x
  2. Step 2: Convert to fraction form
    46,450.40/64,128.06 = 30,580.97/x
  3. Step 3: Cross multiply
    46,450.40x = 64,128.06 × 30,580.97
  4. Step 4: Simplify right side
    46,450.40x = 1,961,097,958.38
  5. Step 5: Solve for x
    x = 1,961,097,958.38/46,450.40
  6. Step 6: Final answer
    x = 42,219.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.