Home / 30,203.88-41,678.92-17,457.89

Finding the Fourth Proportional to 30,203.88, 41,678.92 and 17,457.89

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Solution

The fourth proportional to 30,203.88, 41,678.92 and 17,457.89 is: 24,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.88 : 41,678.92 = 17,457.89 : x
  2. Step 2: Convert to fraction form
    30,203.88/41,678.92 = 17,457.89/x
  3. Step 3: Cross multiply
    30,203.88x = 41,678.92 × 17,457.89
  4. Step 4: Simplify right side
    30,203.88x = 727,626,061.23
  5. Step 5: Solve for x
    x = 727,626,061.23/30,203.88
  6. Step 6: Final answer
    x = 24,090.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.