Home / 43,403.19-65,109.99-15,317.45

Finding the Fourth Proportional to 43,403.19, 65,109.99 and 15,317.45

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Solution

The fourth proportional to 43,403.19, 65,109.99 and 15,317.45 is: 22,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.19 : 65,109.99 = 15,317.45 : x
  2. Step 2: Convert to fraction form
    43,403.19/65,109.99 = 15,317.45/x
  3. Step 3: Cross multiply
    43,403.19x = 65,109.99 × 15,317.45
  4. Step 4: Simplify right side
    43,403.19x = 997,318,690.78
  5. Step 5: Solve for x
    x = 997,318,690.78/43,403.19
  6. Step 6: Final answer
    x = 22,978.00

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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.