Home / 47,975.94-71,962.29-12,914.28

Finding the Fourth Proportional to 47,975.94, 71,962.29 and 12,914.28

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Solution

The fourth proportional to 47,975.94, 71,962.29 and 12,914.28 is: 19,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,975.94 : 71,962.29 = 12,914.28 : x
  2. Step 2: Convert to fraction form
    47,975.94/71,962.29 = 12,914.28/x
  3. Step 3: Cross multiply
    47,975.94x = 71,962.29 × 12,914.28
  4. Step 4: Simplify right side
    47,975.94x = 929,341,162.50
  5. Step 5: Solve for x
    x = 929,341,162.50/47,975.94
  6. Step 6: Final answer
    x = 19,370.98

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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.