Home / 43,343.77-65,015.93-13,357.64

Finding the Fourth Proportional to 43,343.77, 65,015.93 and 13,357.64

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Solution

The fourth proportional to 43,343.77, 65,015.93 and 13,357.64 is: 20,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.77 : 65,015.93 = 13,357.64 : x
  2. Step 2: Convert to fraction form
    43,343.77/65,015.93 = 13,357.64/x
  3. Step 3: Cross multiply
    43,343.77x = 65,015.93 × 13,357.64
  4. Step 4: Simplify right side
    43,343.77x = 868,459,387.21
  5. Step 5: Solve for x
    x = 868,459,387.21/43,343.77
  6. Step 6: Final answer
    x = 20,036.54

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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.