Home / 43,574.58-65,389.46-18,614.75

Finding the Fourth Proportional to 43,574.58, 65,389.46 and 18,614.75

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Solution

The fourth proportional to 43,574.58, 65,389.46 and 18,614.75 is: 27,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.58 : 65,389.46 = 18,614.75 : x
  2. Step 2: Convert to fraction form
    43,574.58/65,389.46 = 18,614.75/x
  3. Step 3: Cross multiply
    43,574.58x = 65,389.46 × 18,614.75
  4. Step 4: Simplify right side
    43,574.58x = 1,217,208,030.51
  5. Step 5: Solve for x
    x = 1,217,208,030.51/43,574.58
  6. Step 6: Final answer
    x = 27,933.90

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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.