Home / 30,605.67-42,246.36-19,294.22

Finding the Fourth Proportional to 30,605.67, 42,246.36 and 19,294.22

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Solution

The fourth proportional to 30,605.67, 42,246.36 and 19,294.22 is: 26,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605.67 : 42,246.36 = 19,294.22 : x
  2. Step 2: Convert to fraction form
    30,605.67/42,246.36 = 19,294.22/x
  3. Step 3: Cross multiply
    30,605.67x = 42,246.36 × 19,294.22
  4. Step 4: Simplify right side
    30,605.67x = 815,110,669.66
  5. Step 5: Solve for x
    x = 815,110,669.66/30,605.67
  6. Step 6: Final answer
    x = 26,632.67

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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.