Home / 43,574.81-65,362.23-13,995.05

Finding the Fourth Proportional to 43,574.81, 65,362.23 and 13,995.05

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Solution

The fourth proportional to 43,574.81, 65,362.23 and 13,995.05 is: 20,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.81 : 65,362.23 = 13,995.05 : x
  2. Step 2: Convert to fraction form
    43,574.81/65,362.23 = 13,995.05/x
  3. Step 3: Cross multiply
    43,574.81x = 65,362.23 × 13,995.05
  4. Step 4: Simplify right side
    43,574.81x = 914,747,350.15
  5. Step 5: Solve for x
    x = 914,747,350.15/43,574.81
  6. Step 6: Final answer
    x = 20,992.57

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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.