Home / 47,673.51-71,513.69-12,612.75

Finding the Fourth Proportional to 47,673.51, 71,513.69 and 12,612.75

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Solution

The fourth proportional to 47,673.51, 71,513.69 and 12,612.75 is: 18,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.51 : 71,513.69 = 12,612.75 : x
  2. Step 2: Convert to fraction form
    47,673.51/71,513.69 = 12,612.75/x
  3. Step 3: Cross multiply
    47,673.51x = 71,513.69 × 12,612.75
  4. Step 4: Simplify right side
    47,673.51x = 901,984,230.48
  5. Step 5: Solve for x
    x = 901,984,230.48/47,673.51
  6. Step 6: Final answer
    x = 18,920.03

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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.