Home / 46,390.40-69,529.44-21,396.32

Finding the Fourth Proportional to 46,390.40, 69,529.44 and 21,396.32

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Solution

The fourth proportional to 46,390.40, 69,529.44 and 21,396.32 is: 32,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,390.40 : 69,529.44 = 21,396.32 : x
  2. Step 2: Convert to fraction form
    46,390.40/69,529.44 = 21,396.32/x
  3. Step 3: Cross multiply
    46,390.40x = 69,529.44 × 21,396.32
  4. Step 4: Simplify right side
    46,390.40x = 1,487,674,147.66
  5. Step 5: Solve for x
    x = 1,487,674,147.66/46,390.40
  6. Step 6: Final answer
    x = 32,068.58

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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.