Home / 40,907.52-61,287.12-18,739.44

Finding the Fourth Proportional to 40,907.52, 61,287.12 and 18,739.44

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Solution

The fourth proportional to 40,907.52, 61,287.12 and 18,739.44 is: 28,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.52 : 61,287.12 = 18,739.44 : x
  2. Step 2: Convert to fraction form
    40,907.52/61,287.12 = 18,739.44/x
  3. Step 3: Cross multiply
    40,907.52x = 61,287.12 × 18,739.44
  4. Step 4: Simplify right side
    40,907.52x = 1,148,486,308.01
  5. Step 5: Solve for x
    x = 1,148,486,308.01/40,907.52
  6. Step 6: Final answer
    x = 28,075.19

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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.