Home / 39,783.75-54,565.21-35,299.72

Finding the Fourth Proportional to 39,783.75, 54,565.21 and 35,299.72

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Solution

The fourth proportional to 39,783.75, 54,565.21 and 35,299.72 is: 48,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,783.75 : 54,565.21 = 35,299.72 : x
  2. Step 2: Convert to fraction form
    39,783.75/54,565.21 = 35,299.72/x
  3. Step 3: Cross multiply
    39,783.75x = 54,565.21 × 35,299.72
  4. Step 4: Simplify right side
    39,783.75x = 1,926,136,634.74
  5. Step 5: Solve for x
    x = 1,926,136,634.74/39,783.75
  6. Step 6: Final answer
    x = 48,415.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.