Home / 30,661.99-42,313.36-17,233.12

Finding the Fourth Proportional to 30,661.99, 42,313.36 and 17,233.12

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Solution

The fourth proportional to 30,661.99, 42,313.36 and 17,233.12 is: 23,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,661.99 : 42,313.36 = 17,233.12 : x
  2. Step 2: Convert to fraction form
    30,661.99/42,313.36 = 17,233.12/x
  3. Step 3: Cross multiply
    30,661.99x = 42,313.36 × 17,233.12
  4. Step 4: Simplify right side
    30,661.99x = 729,191,210.48
  5. Step 5: Solve for x
    x = 729,191,210.48/30,661.99
  6. Step 6: Final answer
    x = 23,781.60

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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.