Home / 39,928.40-59,892.60-12,226.40

Finding the Fourth Proportional to 39,928.40, 59,892.60 and 12,226.40

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Solution

The fourth proportional to 39,928.40, 59,892.60 and 12,226.40 is: 18,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.40 : 59,892.60 = 12,226.40 : x
  2. Step 2: Convert to fraction form
    39,928.40/59,892.60 = 12,226.40/x
  3. Step 3: Cross multiply
    39,928.40x = 59,892.60 × 12,226.40
  4. Step 4: Simplify right side
    39,928.40x = 732,270,884.64
  5. Step 5: Solve for x
    x = 732,270,884.64/39,928.40
  6. Step 6: Final answer
    x = 18,339.60

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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.