Home / 39,075.40-58,578.54-18,293.32

Finding the Fourth Proportional to 39,075.40, 58,578.54 and 18,293.32

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Solution

The fourth proportional to 39,075.40, 58,578.54 and 18,293.32 is: 27,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,075.40 : 58,578.54 = 18,293.32 : x
  2. Step 2: Convert to fraction form
    39,075.40/58,578.54 = 18,293.32/x
  3. Step 3: Cross multiply
    39,075.40x = 58,578.54 × 18,293.32
  4. Step 4: Simplify right side
    39,075.40x = 1,071,595,977.35
  5. Step 5: Solve for x
    x = 1,071,595,977.35/39,075.40
  6. Step 6: Final answer
    x = 27,423.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.