Home / 39,082.36-58,631.74-12,785.06

Finding the Fourth Proportional to 39,082.36, 58,631.74 and 12,785.06

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Solution

The fourth proportional to 39,082.36, 58,631.74 and 12,785.06 is: 19,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.36 : 58,631.74 = 12,785.06 : x
  2. Step 2: Convert to fraction form
    39,082.36/58,631.74 = 12,785.06/x
  3. Step 3: Cross multiply
    39,082.36x = 58,631.74 × 12,785.06
  4. Step 4: Simplify right side
    39,082.36x = 749,610,313.80
  5. Step 5: Solve for x
    x = 749,610,313.80/39,082.36
  6. Step 6: Final answer
    x = 19,180.27

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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.