Home / 39,019.65-53,846.94-21,114.99

Finding the Fourth Proportional to 39,019.65, 53,846.94 and 21,114.99

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Solution

The fourth proportional to 39,019.65, 53,846.94 and 21,114.99 is: 29,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.65 : 53,846.94 = 21,114.99 : x
  2. Step 2: Convert to fraction form
    39,019.65/53,846.94 = 21,114.99/x
  3. Step 3: Cross multiply
    39,019.65x = 53,846.94 × 21,114.99
  4. Step 4: Simplify right side
    39,019.65x = 1,136,977,599.63
  5. Step 5: Solve for x
    x = 1,136,977,599.63/39,019.65
  6. Step 6: Final answer
    x = 29,138.59

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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.