Home / 30,707.11-45,986.85-17,519.50

Finding the Fourth Proportional to 30,707.11, 45,986.85 and 17,519.50

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Solution

The fourth proportional to 30,707.11, 45,986.85 and 17,519.50 is: 26,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,707.11 : 45,986.85 = 17,519.50 : x
  2. Step 2: Convert to fraction form
    30,707.11/45,986.85 = 17,519.50/x
  3. Step 3: Cross multiply
    30,707.11x = 45,986.85 × 17,519.50
  4. Step 4: Simplify right side
    30,707.11x = 805,666,470.76
  5. Step 5: Solve for x
    x = 805,666,470.76/30,707.11
  6. Step 6: Final answer
    x = 26,237.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.