Home / 39,361.86-54,334.53-28,835.10

Finding the Fourth Proportional to 39,361.86, 54,334.53 and 28,835.10

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Solution

The fourth proportional to 39,361.86, 54,334.53 and 28,835.10 is: 39,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,361.86 : 54,334.53 = 28,835.10 : x
  2. Step 2: Convert to fraction form
    39,361.86/54,334.53 = 28,835.10/x
  3. Step 3: Cross multiply
    39,361.86x = 54,334.53 × 28,835.10
  4. Step 4: Simplify right side
    39,361.86x = 1,566,741,606.00
  5. Step 5: Solve for x
    x = 1,566,741,606.00/39,361.86
  6. Step 6: Final answer
    x = 39,803.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.