Home / 45,809.98-68,711.70-14,219.27

Finding the Fourth Proportional to 45,809.98, 68,711.70 and 14,219.27

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Solution

The fourth proportional to 45,809.98, 68,711.70 and 14,219.27 is: 21,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.98 : 68,711.70 = 14,219.27 : x
  2. Step 2: Convert to fraction form
    45,809.98/68,711.70 = 14,219.27/x
  3. Step 3: Cross multiply
    45,809.98x = 68,711.70 × 14,219.27
  4. Step 4: Simplify right side
    45,809.98x = 977,030,181.89
  5. Step 5: Solve for x
    x = 977,030,181.89/45,809.98
  6. Step 6: Final answer
    x = 21,327.89

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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.