Home / 47,668.96-71,503.85-12,130.31

Finding the Fourth Proportional to 47,668.96, 71,503.85 and 12,130.31

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Solution

The fourth proportional to 47,668.96, 71,503.85 and 12,130.31 is: 18,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.96 : 71,503.85 = 12,130.31 : x
  2. Step 2: Convert to fraction form
    47,668.96/71,503.85 = 12,130.31/x
  3. Step 3: Cross multiply
    47,668.96x = 71,503.85 × 12,130.31
  4. Step 4: Simplify right side
    47,668.96x = 867,363,605.34
  5. Step 5: Solve for x
    x = 867,363,605.34/47,668.96
  6. Step 6: Final answer
    x = 18,195.57

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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.