Home / 43,665.86-65,498.60-12,501.12

Finding the Fourth Proportional to 43,665.86, 65,498.60 and 12,501.12

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Solution

The fourth proportional to 43,665.86, 65,498.60 and 12,501.12 is: 18,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,665.86 : 65,498.60 = 12,501.12 : x
  2. Step 2: Convert to fraction form
    43,665.86/65,498.60 = 12,501.12/x
  3. Step 3: Cross multiply
    43,665.86x = 65,498.60 × 12,501.12
  4. Step 4: Simplify right side
    43,665.86x = 818,805,858.43
  5. Step 5: Solve for x
    x = 818,805,858.43/43,665.86
  6. Step 6: Final answer
    x = 18,751.63

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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.