Home / 43,703.41-65,555.15-18,727.25

Finding the Fourth Proportional to 43,703.41, 65,555.15 and 18,727.25

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Solution

The fourth proportional to 43,703.41, 65,555.15 and 18,727.25 is: 28,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.41 : 65,555.15 = 18,727.25 : x
  2. Step 2: Convert to fraction form
    43,703.41/65,555.15 = 18,727.25/x
  3. Step 3: Cross multiply
    43,703.41x = 65,555.15 × 18,727.25
  4. Step 4: Simplify right side
    43,703.41x = 1,227,667,682.84
  5. Step 5: Solve for x
    x = 1,227,667,682.84/43,703.41
  6. Step 6: Final answer
    x = 28,090.89

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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.