Home / 30,703.38-46,045.26-11,978.85

Finding the Fourth Proportional to 30,703.38, 46,045.26 and 11,978.85

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Solution

The fourth proportional to 30,703.38, 46,045.26 and 11,978.85 is: 17,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.38 : 46,045.26 = 11,978.85 : x
  2. Step 2: Convert to fraction form
    30,703.38/46,045.26 = 11,978.85/x
  3. Step 3: Cross multiply
    30,703.38x = 46,045.26 × 11,978.85
  4. Step 4: Simplify right side
    30,703.38x = 551,569,262.75
  5. Step 5: Solve for x
    x = 551,569,262.75/30,703.38
  6. Step 6: Final answer
    x = 17,964.45

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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.