Home / 30,082.90-45,111.92-11,359.76

Finding the Fourth Proportional to 30,082.90, 45,111.92 and 11,359.76

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Solution

The fourth proportional to 30,082.90, 45,111.92 and 11,359.76 is: 17,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.90 : 45,111.92 = 11,359.76 : x
  2. Step 2: Convert to fraction form
    30,082.90/45,111.92 = 11,359.76/x
  3. Step 3: Cross multiply
    30,082.90x = 45,111.92 × 11,359.76
  4. Step 4: Simplify right side
    30,082.90x = 512,460,584.34
  5. Step 5: Solve for x
    x = 512,460,584.34/30,082.90
  6. Step 6: Final answer
    x = 17,034.95

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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.