Home / 39,145.65-54,020.84-23,243.19

Finding the Fourth Proportional to 39,145.65, 54,020.84 and 23,243.19

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Solution

The fourth proportional to 39,145.65, 54,020.84 and 23,243.19 is: 32,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.65 : 54,020.84 = 23,243.19 : x
  2. Step 2: Convert to fraction form
    39,145.65/54,020.84 = 23,243.19/x
  3. Step 3: Cross multiply
    39,145.65x = 54,020.84 × 23,243.19
  4. Step 4: Simplify right side
    39,145.65x = 1,255,616,531.86
  5. Step 5: Solve for x
    x = 1,255,616,531.86/39,145.65
  6. Step 6: Final answer
    x = 32,075.51

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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.