Home / 30,001.13-41,401.58-16,389.36

Finding the Fourth Proportional to 30,001.13, 41,401.58 and 16,389.36

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Solution

The fourth proportional to 30,001.13, 41,401.58 and 16,389.36 is: 22,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.13 : 41,401.58 = 16,389.36 : x
  2. Step 2: Convert to fraction form
    30,001.13/41,401.58 = 16,389.36/x
  3. Step 3: Cross multiply
    30,001.13x = 41,401.58 × 16,389.36
  4. Step 4: Simplify right side
    30,001.13x = 678,545,399.19
  5. Step 5: Solve for x
    x = 678,545,399.19/30,001.13
  6. Step 6: Final answer
    x = 22,617.33

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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.