Home / 30,713.49-42,386.76-17,286.03

Finding the Fourth Proportional to 30,713.49, 42,386.76 and 17,286.03

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Solution

The fourth proportional to 30,713.49, 42,386.76 and 17,286.03 is: 23,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713.49 : 42,386.76 = 17,286.03 : x
  2. Step 2: Convert to fraction form
    30,713.49/42,386.76 = 17,286.03/x
  3. Step 3: Cross multiply
    30,713.49x = 42,386.76 × 17,286.03
  4. Step 4: Simplify right side
    30,713.49x = 732,698,804.96
  5. Step 5: Solve for x
    x = 732,698,804.96/30,713.49
  6. Step 6: Final answer
    x = 23,855.93

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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.