Home / 40,554.97-55,559.38-39,038.80

Finding the Fourth Proportional to 40,554.97, 55,559.38 and 39,038.80

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Solution

The fourth proportional to 40,554.97, 55,559.38 and 39,038.80 is: 53,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,554.97 : 55,559.38 = 39,038.80 : x
  2. Step 2: Convert to fraction form
    40,554.97/55,559.38 = 39,038.80/x
  3. Step 3: Cross multiply
    40,554.97x = 55,559.38 × 39,038.80
  4. Step 4: Simplify right side
    40,554.97x = 2,168,971,523.94
  5. Step 5: Solve for x
    x = 2,168,971,523.94/40,554.97
  6. Step 6: Final answer
    x = 53,482.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.