Home / 30,929.49-46,289.07-19,090.73

Finding the Fourth Proportional to 30,929.49, 46,289.07 and 19,090.73

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Solution

The fourth proportional to 30,929.49, 46,289.07 and 19,090.73 is: 28,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.49 : 46,289.07 = 19,090.73 : x
  2. Step 2: Convert to fraction form
    30,929.49/46,289.07 = 19,090.73/x
  3. Step 3: Cross multiply
    30,929.49x = 46,289.07 × 19,090.73
  4. Step 4: Simplify right side
    30,929.49x = 883,692,253.04
  5. Step 5: Solve for x
    x = 883,692,253.04/30,929.49
  6. Step 6: Final answer
    x = 28,571.19

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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.