Home / 43,412.64-65,075.20-17,107.20

Finding the Fourth Proportional to 43,412.64, 65,075.20 and 17,107.20

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Solution

The fourth proportional to 43,412.64, 65,075.20 and 17,107.20 is: 25,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.64 : 65,075.20 = 17,107.20 : x
  2. Step 2: Convert to fraction form
    43,412.64/65,075.20 = 17,107.20/x
  3. Step 3: Cross multiply
    43,412.64x = 65,075.20 × 17,107.20
  4. Step 4: Simplify right side
    43,412.64x = 1,113,254,461.44
  5. Step 5: Solve for x
    x = 1,113,254,461.44/43,412.64
  6. Step 6: Final answer
    x = 25,643.56

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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.