Home / 30,687.15-46,030.73-28,354.35

Finding the Fourth Proportional to 30,687.15, 46,030.73 and 28,354.35

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Solution

The fourth proportional to 30,687.15, 46,030.73 and 28,354.35 is: 42,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.15 : 46,030.73 = 28,354.35 : x
  2. Step 2: Convert to fraction form
    30,687.15/46,030.73 = 28,354.35/x
  3. Step 3: Cross multiply
    30,687.15x = 46,030.73 × 28,354.35
  4. Step 4: Simplify right side
    30,687.15x = 1,305,171,287.40
  5. Step 5: Solve for x
    x = 1,305,171,287.40/30,687.15
  6. Step 6: Final answer
    x = 42,531.53

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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.