Home / 43,803.95-65,682.25-13,812.53

Finding the Fourth Proportional to 43,803.95, 65,682.25 and 13,812.53

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Solution

The fourth proportional to 43,803.95, 65,682.25 and 13,812.53 is: 20,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,803.95 : 65,682.25 = 13,812.53 : x
  2. Step 2: Convert to fraction form
    43,803.95/65,682.25 = 13,812.53/x
  3. Step 3: Cross multiply
    43,803.95x = 65,682.25 × 13,812.53
  4. Step 4: Simplify right side
    43,803.95x = 907,237,685.65
  5. Step 5: Solve for x
    x = 907,237,685.65/43,803.95
  6. Step 6: Final answer
    x = 20,711.32

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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.