Home / 39,066.49-53,912.46-21,162.25

Finding the Fourth Proportional to 39,066.49, 53,912.46 and 21,162.25

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Solution

The fourth proportional to 39,066.49, 53,912.46 and 21,162.25 is: 29,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.49 : 53,912.46 = 21,162.25 : x
  2. Step 2: Convert to fraction form
    39,066.49/53,912.46 = 21,162.25/x
  3. Step 3: Cross multiply
    39,066.49x = 53,912.46 × 21,162.25
  4. Step 4: Simplify right side
    39,066.49x = 1,140,908,956.64
  5. Step 5: Solve for x
    x = 1,140,908,956.64/39,066.49
  6. Step 6: Final answer
    x = 29,204.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.