Home / 30,072.12-41,485.68-19,465.16

Finding the Fourth Proportional to 30,072.12, 41,485.68 and 19,465.16

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Solution

The fourth proportional to 30,072.12, 41,485.68 and 19,465.16 is: 26,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.12 : 41,485.68 = 19,465.16 : x
  2. Step 2: Convert to fraction form
    30,072.12/41,485.68 = 19,465.16/x
  3. Step 3: Cross multiply
    30,072.12x = 41,485.68 × 19,465.16
  4. Step 4: Simplify right side
    30,072.12x = 807,525,398.91
  5. Step 5: Solve for x
    x = 807,525,398.91/30,072.12
  6. Step 6: Final answer
    x = 26,852.96

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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.