Home / 30,102.80-41,538.29-17,360.19

Finding the Fourth Proportional to 30,102.80, 41,538.29 and 17,360.19

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Solution

The fourth proportional to 30,102.80, 41,538.29 and 17,360.19 is: 23,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.80 : 41,538.29 = 17,360.19 : x
  2. Step 2: Convert to fraction form
    30,102.80/41,538.29 = 17,360.19/x
  3. Step 3: Cross multiply
    30,102.80x = 41,538.29 × 17,360.19
  4. Step 4: Simplify right side
    30,102.80x = 721,112,519.87
  5. Step 5: Solve for x
    x = 721,112,519.87/30,102.80
  6. Step 6: Final answer
    x = 23,955.00

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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.