Home / 39,019.35-53,846.59-21,114.66

Finding the Fourth Proportional to 39,019.35, 53,846.59 and 21,114.66

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Solution

The fourth proportional to 39,019.35, 53,846.59 and 21,114.66 is: 29,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.35 : 53,846.59 = 21,114.66 : x
  2. Step 2: Convert to fraction form
    39,019.35/53,846.59 = 21,114.66/x
  3. Step 3: Cross multiply
    39,019.35x = 53,846.59 × 21,114.66
  4. Step 4: Simplify right side
    39,019.35x = 1,136,952,440.01
  5. Step 5: Solve for x
    x = 1,136,952,440.01/39,019.35
  6. Step 6: Final answer
    x = 29,138.17

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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.