Home / 53,245.74-79,861.70-15,805.07

Finding the Fourth Proportional to 53,245.74, 79,861.70 and 15,805.07

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Solution

The fourth proportional to 53,245.74, 79,861.70 and 15,805.07 is: 23,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245.74 : 79,861.70 = 15,805.07 : x
  2. Step 2: Convert to fraction form
    53,245.74/79,861.70 = 15,805.07/x
  3. Step 3: Cross multiply
    53,245.74x = 79,861.70 × 15,805.07
  4. Step 4: Simplify right side
    53,245.74x = 1,262,219,280.49
  5. Step 5: Solve for x
    x = 1,262,219,280.49/53,245.74
  6. Step 6: Final answer
    x = 23,705.54

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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.