Home / 30,568.82-42,184.81-17,140.06

Finding the Fourth Proportional to 30,568.82, 42,184.81 and 17,140.06

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Solution

The fourth proportional to 30,568.82, 42,184.81 and 17,140.06 is: 23,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.82 : 42,184.81 = 17,140.06 : x
  2. Step 2: Convert to fraction form
    30,568.82/42,184.81 = 17,140.06/x
  3. Step 3: Cross multiply
    30,568.82x = 42,184.81 × 17,140.06
  4. Step 4: Simplify right side
    30,568.82x = 723,050,174.49
  5. Step 5: Solve for x
    x = 723,050,174.49/30,568.82
  6. Step 6: Final answer
    x = 23,653.19

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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.