Home / 39,783.02-59,674.26-12,081.02

Finding the Fourth Proportional to 39,783.02, 59,674.26 and 12,081.02

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Solution

The fourth proportional to 39,783.02, 59,674.26 and 12,081.02 is: 18,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,783.02 : 59,674.26 = 12,081.02 : x
  2. Step 2: Convert to fraction form
    39,783.02/59,674.26 = 12,081.02/x
  3. Step 3: Cross multiply
    39,783.02x = 59,674.26 × 12,081.02
  4. Step 4: Simplify right side
    39,783.02x = 720,925,928.55
  5. Step 5: Solve for x
    x = 720,925,928.55/39,783.02
  6. Step 6: Final answer
    x = 18,121.45

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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.