Home / 43,870.96-65,835.60-20,499.24

Finding the Fourth Proportional to 43,870.96, 65,835.60 and 20,499.24

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Solution

The fourth proportional to 43,870.96, 65,835.60 and 20,499.24 is: 30,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.96 : 65,835.60 = 20,499.24 : x
  2. Step 2: Convert to fraction form
    43,870.96/65,835.60 = 20,499.24/x
  3. Step 3: Cross multiply
    43,870.96x = 65,835.60 × 20,499.24
  4. Step 4: Simplify right side
    43,870.96x = 1,349,579,764.94
  5. Step 5: Solve for x
    x = 1,349,579,764.94/43,870.96
  6. Step 6: Final answer
    x = 30,762.49

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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.