Home / 30,918.22-46,376.76-28,510.36

Finding the Fourth Proportional to 30,918.22, 46,376.76 and 28,510.36

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Solution

The fourth proportional to 30,918.22, 46,376.76 and 28,510.36 is: 42,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.22 : 46,376.76 = 28,510.36 : x
  2. Step 2: Convert to fraction form
    30,918.22/46,376.76 = 28,510.36/x
  3. Step 3: Cross multiply
    30,918.22x = 46,376.76 × 28,510.36
  4. Step 4: Simplify right side
    30,918.22x = 1,322,218,123.23
  5. Step 5: Solve for x
    x = 1,322,218,123.23/30,918.22
  6. Step 6: Final answer
    x = 42,765.01

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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.