Home / 50,287.60-75,431.07-12,336.40

Finding the Fourth Proportional to 50,287.60, 75,431.07 and 12,336.40

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Solution

The fourth proportional to 50,287.60, 75,431.07 and 12,336.40 is: 18,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,287.60 : 75,431.07 = 12,336.40 : x
  2. Step 2: Convert to fraction form
    50,287.60/75,431.07 = 12,336.40/x
  3. Step 3: Cross multiply
    50,287.60x = 75,431.07 × 12,336.40
  4. Step 4: Simplify right side
    50,287.60x = 930,547,851.95
  5. Step 5: Solve for x
    x = 930,547,851.95/50,287.60
  6. Step 6: Final answer
    x = 18,504.52

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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.