Home / 30,927.48-46,393.80-9,870.56

Finding the Fourth Proportional to 30,927.48, 46,393.80 and 9,870.56

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Solution

The fourth proportional to 30,927.48, 46,393.80 and 9,870.56 is: 14,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,927.48 : 46,393.80 = 9,870.56 : x
  2. Step 2: Convert to fraction form
    30,927.48/46,393.80 = 9,870.56/x
  3. Step 3: Cross multiply
    30,927.48x = 46,393.80 × 9,870.56
  4. Step 4: Simplify right side
    30,927.48x = 457,932,786.53
  5. Step 5: Solve for x
    x = 457,932,786.53/30,927.48
  6. Step 6: Final answer
    x = 14,806.66

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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.