Home / 38,075.17-52,542.04-21,078.22

Finding the Fourth Proportional to 38,075.17, 52,542.04 and 21,078.22

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Solution

The fourth proportional to 38,075.17, 52,542.04 and 21,078.22 is: 29,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.17 : 52,542.04 = 21,078.22 : x
  2. Step 2: Convert to fraction form
    38,075.17/52,542.04 = 21,078.22/x
  3. Step 3: Cross multiply
    38,075.17x = 52,542.04 × 21,078.22
  4. Step 4: Simplify right side
    38,075.17x = 1,107,492,678.37
  5. Step 5: Solve for x
    x = 1,107,492,678.37/38,075.17
  6. Step 6: Final answer
    x = 29,087.01

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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.