Home / 46,779.88-70,171.26-20,471.08

Finding the Fourth Proportional to 46,779.88, 70,171.26 and 20,471.08

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Solution

The fourth proportional to 46,779.88, 70,171.26 and 20,471.08 is: 30,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,779.88 : 70,171.26 = 20,471.08 : x
  2. Step 2: Convert to fraction form
    46,779.88/70,171.26 = 20,471.08/x
  3. Step 3: Cross multiply
    46,779.88x = 70,171.26 × 20,471.08
  4. Step 4: Simplify right side
    46,779.88x = 1,436,481,477.16
  5. Step 5: Solve for x
    x = 1,436,481,477.16/46,779.88
  6. Step 6: Final answer
    x = 30,707.25

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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.