Home / 32,945.67-45,465.24-18,409.86

Finding the Fourth Proportional to 32,945.67, 45,465.24 and 18,409.86

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Solution

The fourth proportional to 32,945.67, 45,465.24 and 18,409.86 is: 25,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,945.67 : 45,465.24 = 18,409.86 : x
  2. Step 2: Convert to fraction form
    32,945.67/45,465.24 = 18,409.86/x
  3. Step 3: Cross multiply
    32,945.67x = 45,465.24 × 18,409.86
  4. Step 4: Simplify right side
    32,945.67x = 837,008,703.27
  5. Step 5: Solve for x
    x = 837,008,703.27/32,945.67
  6. Step 6: Final answer
    x = 25,405.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.