Home / 33,130.28-45,721.38-18,983.16

Finding the Fourth Proportional to 33,130.28, 45,721.38 and 18,983.16

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Solution

The fourth proportional to 33,130.28, 45,721.38 and 18,983.16 is: 26,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.28 : 45,721.38 = 18,983.16 : x
  2. Step 2: Convert to fraction form
    33,130.28/45,721.38 = 18,983.16/x
  3. Step 3: Cross multiply
    33,130.28x = 45,721.38 × 18,983.16
  4. Step 4: Simplify right side
    33,130.28x = 867,936,271.96
  5. Step 5: Solve for x
    x = 867,936,271.96/33,130.28
  6. Step 6: Final answer
    x = 26,197.67

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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.