Home / 30,441.19-42,009.00-17,012.67

Finding the Fourth Proportional to 30,441.19, 42,009.00 and 17,012.67

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Solution

The fourth proportional to 30,441.19, 42,009.00 and 17,012.67 is: 23,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441.19 : 42,009.00 = 17,012.67 : x
  2. Step 2: Convert to fraction form
    30,441.19/42,009.00 = 17,012.67/x
  3. Step 3: Cross multiply
    30,441.19x = 42,009.00 × 17,012.67
  4. Step 4: Simplify right side
    30,441.19x = 714,685,168.97
  5. Step 5: Solve for x
    x = 714,685,168.97/30,441.19
  6. Step 6: Final answer
    x = 23,477.57

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Double scale
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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.