Home / 30,435.09-41,995.53-17,005.65

Finding the Fourth Proportional to 30,435.09, 41,995.53 and 17,005.65

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Solution

The fourth proportional to 30,435.09, 41,995.53 and 17,005.65 is: 23,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435.09 : 41,995.53 = 17,005.65 : x
  2. Step 2: Convert to fraction form
    30,435.09/41,995.53 = 17,005.65/x
  3. Step 3: Cross multiply
    30,435.09x = 41,995.53 × 17,005.65
  4. Step 4: Simplify right side
    30,435.09x = 714,161,284.74
  5. Step 5: Solve for x
    x = 714,161,284.74/30,435.09
  6. Step 6: Final answer
    x = 23,465.06

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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.