Home / 30,118.32-41,564.19-16,688.31

Finding the Fourth Proportional to 30,118.32, 41,564.19 and 16,688.31

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Solution

The fourth proportional to 30,118.32, 41,564.19 and 16,688.31 is: 23,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.32 : 41,564.19 = 16,688.31 : x
  2. Step 2: Convert to fraction form
    30,118.32/41,564.19 = 16,688.31/x
  3. Step 3: Cross multiply
    30,118.32x = 41,564.19 × 16,688.31
  4. Step 4: Simplify right side
    30,118.32x = 693,636,087.62
  5. Step 5: Solve for x
    x = 693,636,087.62/30,118.32
  6. Step 6: Final answer
    x = 23,030.37

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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.