Home / 30,139.04-41,596.18-16,713.28

Finding the Fourth Proportional to 30,139.04, 41,596.18 and 16,713.28

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Solution

The fourth proportional to 30,139.04, 41,596.18 and 16,713.28 is: 23,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.04 : 41,596.18 = 16,713.28 : x
  2. Step 2: Convert to fraction form
    30,139.04/41,596.18 = 16,713.28/x
  3. Step 3: Cross multiply
    30,139.04x = 41,596.18 × 16,713.28
  4. Step 4: Simplify right side
    30,139.04x = 695,208,603.27
  5. Step 5: Solve for x
    x = 695,208,603.27/30,139.04
  6. Step 6: Final answer
    x = 23,066.71

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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.