Home / 43,637.47-65,457.62-12,049.90

Finding the Fourth Proportional to 43,637.47, 65,457.62 and 12,049.90

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Solution

The fourth proportional to 43,637.47, 65,457.62 and 12,049.90 is: 18,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,637.47 : 65,457.62 = 12,049.90 : x
  2. Step 2: Convert to fraction form
    43,637.47/65,457.62 = 12,049.90/x
  3. Step 3: Cross multiply
    43,637.47x = 65,457.62 × 12,049.90
  4. Step 4: Simplify right side
    43,637.47x = 788,757,596.53
  5. Step 5: Solve for x
    x = 788,757,596.53/43,637.47
  6. Step 6: Final answer
    x = 18,075.24

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1.5x scale

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.