Home / 30,603.80-42,233.99-17,176.07

Finding the Fourth Proportional to 30,603.80, 42,233.99 and 17,176.07

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Solution

The fourth proportional to 30,603.80, 42,233.99 and 17,176.07 is: 23,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.80 : 42,233.99 = 17,176.07 : x
  2. Step 2: Convert to fraction form
    30,603.80/42,233.99 = 17,176.07/x
  3. Step 3: Cross multiply
    30,603.80x = 42,233.99 × 17,176.07
  4. Step 4: Simplify right side
    30,603.80x = 725,414,117.14
  5. Step 5: Solve for x
    x = 725,414,117.14/30,603.80
  6. Step 6: Final answer
    x = 23,703.40

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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.