Home / 49,370.40-74,055.60-12,434.40

Finding the Fourth Proportional to 49,370.40, 74,055.60 and 12,434.40

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Solution

The fourth proportional to 49,370.40, 74,055.60 and 12,434.40 is: 18,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,370.40 : 74,055.60 = 12,434.40 : x
  2. Step 2: Convert to fraction form
    49,370.40/74,055.60 = 12,434.40/x
  3. Step 3: Cross multiply
    49,370.40x = 74,055.60 × 12,434.40
  4. Step 4: Simplify right side
    49,370.40x = 920,836,952.64
  5. Step 5: Solve for x
    x = 920,836,952.64/49,370.40
  6. Step 6: Final answer
    x = 18,651.60

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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.