Home / 30,939.42-46,409.38-8,753.52

Finding the Fourth Proportional to 30,939.42, 46,409.38 and 8,753.52

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Solution

The fourth proportional to 30,939.42, 46,409.38 and 8,753.52 is: 13,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939.42 : 46,409.38 = 8,753.52 : x
  2. Step 2: Convert to fraction form
    30,939.42/46,409.38 = 8,753.52/x
  3. Step 3: Cross multiply
    30,939.42x = 46,409.38 × 8,753.52
  4. Step 4: Simplify right side
    30,939.42x = 406,245,436.02
  5. Step 5: Solve for x
    x = 406,245,436.02/30,939.42
  6. Step 6: Final answer
    x = 13,130.35

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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.