Home / 30,743.79-46,100.17-14,089.78

Finding the Fourth Proportional to 30,743.79, 46,100.17 and 14,089.78

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Solution

The fourth proportional to 30,743.79, 46,100.17 and 14,089.78 is: 21,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,743.79 : 46,100.17 = 14,089.78 : x
  2. Step 2: Convert to fraction form
    30,743.79/46,100.17 = 14,089.78/x
  3. Step 3: Cross multiply
    30,743.79x = 46,100.17 × 14,089.78
  4. Step 4: Simplify right side
    30,743.79x = 649,541,253.26
  5. Step 5: Solve for x
    x = 649,541,253.26/30,743.79
  6. Step 6: Final answer
    x = 21,127.56

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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.