Home / 65,942.96-98,918.46-21,574.40

Finding the Fourth Proportional to 65,942.96, 98,918.46 and 21,574.40

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Solution

The fourth proportional to 65,942.96, 98,918.46 and 21,574.40 is: 32,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,942.96 : 98,918.46 = 21,574.40 : x
  2. Step 2: Convert to fraction form
    65,942.96/98,918.46 = 21,574.40/x
  3. Step 3: Cross multiply
    65,942.96x = 98,918.46 × 21,574.40
  4. Step 4: Simplify right side
    65,942.96x = 2,134,106,423.42
  5. Step 5: Solve for x
    x = 2,134,106,423.42/65,942.96
  6. Step 6: Final answer
    x = 32,362.92

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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.