Home / 43,389.68-65,094.37-18,430.54

Finding the Fourth Proportional to 43,389.68, 65,094.37 and 18,430.54

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Solution

The fourth proportional to 43,389.68, 65,094.37 and 18,430.54 is: 27,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389.68 : 65,094.37 = 18,430.54 : x
  2. Step 2: Convert to fraction form
    43,389.68/65,094.37 = 18,430.54/x
  3. Step 3: Cross multiply
    43,389.68x = 65,094.37 × 18,430.54
  4. Step 4: Simplify right side
    43,389.68x = 1,199,724,181.25
  5. Step 5: Solve for x
    x = 1,199,724,181.25/43,389.68
  6. Step 6: Final answer
    x = 27,649.99

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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.