Home / 30,903.66-46,337.87-20,379.33

Finding the Fourth Proportional to 30,903.66, 46,337.87 and 20,379.33

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Solution

The fourth proportional to 30,903.66, 46,337.87 and 20,379.33 is: 30,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.66 : 46,337.87 = 20,379.33 : x
  2. Step 2: Convert to fraction form
    30,903.66/46,337.87 = 20,379.33/x
  3. Step 3: Cross multiply
    30,903.66x = 46,337.87 × 20,379.33
  4. Step 4: Simplify right side
    30,903.66x = 944,334,795.18
  5. Step 5: Solve for x
    x = 944,334,795.18/30,903.66
  6. Step 6: Final answer
    x = 30,557.38

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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.