Home / 46,464.19-69,688.06-21,157.90

Finding the Fourth Proportional to 46,464.19, 69,688.06 and 21,157.90

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Solution

The fourth proportional to 46,464.19, 69,688.06 and 21,157.90 is: 31,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,464.19 : 69,688.06 = 21,157.90 : x
  2. Step 2: Convert to fraction form
    46,464.19/69,688.06 = 21,157.90/x
  3. Step 3: Cross multiply
    46,464.19x = 69,688.06 × 21,157.90
  4. Step 4: Simplify right side
    46,464.19x = 1,474,453,004.67
  5. Step 5: Solve for x
    x = 1,474,453,004.67/46,464.19
  6. Step 6: Final answer
    x = 31,733.10

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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.