Home / 71,349.18-107,024.58-18,763.98

Finding the Fourth Proportional to 71,349.18, 107,024.58 and 18,763.98

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Solution

The fourth proportional to 71,349.18, 107,024.58 and 18,763.98 is: 28,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,349.18 : 107,024.58 = 18,763.98 : x
  2. Step 2: Convert to fraction form
    71,349.18/107,024.58 = 18,763.98/x
  3. Step 3: Cross multiply
    71,349.18x = 107,024.58 × 18,763.98
  4. Step 4: Simplify right side
    71,349.18x = 2,008,207,078.63
  5. Step 5: Solve for x
    x = 2,008,207,078.63/71,349.18
  6. Step 6: Final answer
    x = 28,146.18

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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.