Home / 43,316.24-64,922.04-21,096.32

Finding the Fourth Proportional to 43,316.24, 64,922.04 and 21,096.32

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Solution

The fourth proportional to 43,316.24, 64,922.04 and 21,096.32 is: 31,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.24 : 64,922.04 = 21,096.32 : x
  2. Step 2: Convert to fraction form
    43,316.24/64,922.04 = 21,096.32/x
  3. Step 3: Cross multiply
    43,316.24x = 64,922.04 × 21,096.32
  4. Step 4: Simplify right side
    43,316.24x = 1,369,616,130.89
  5. Step 5: Solve for x
    x = 1,369,616,130.89/43,316.24
  6. Step 6: Final answer
    x = 31,619.00

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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.