Home / 30,848.48-46,291.15-28,338.90

Finding the Fourth Proportional to 30,848.48, 46,291.15 and 28,338.90

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Solution

The fourth proportional to 30,848.48, 46,291.15 and 28,338.90 is: 42,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.48 : 46,291.15 = 28,338.90 : x
  2. Step 2: Convert to fraction form
    30,848.48/46,291.15 = 28,338.90/x
  3. Step 3: Cross multiply
    30,848.48x = 46,291.15 × 28,338.90
  4. Step 4: Simplify right side
    30,848.48x = 1,311,840,270.74
  5. Step 5: Solve for x
    x = 1,311,840,270.74/30,848.48
  6. Step 6: Final answer
    x = 42,525.28

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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.