Home / 39,278.36-58,882.68-14,313.75

Finding the Fourth Proportional to 39,278.36, 58,882.68 and 14,313.75

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Solution

The fourth proportional to 39,278.36, 58,882.68 and 14,313.75 is: 21,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.36 : 58,882.68 = 14,313.75 : x
  2. Step 2: Convert to fraction form
    39,278.36/58,882.68 = 14,313.75/x
  3. Step 3: Cross multiply
    39,278.36x = 58,882.68 × 14,313.75
  4. Step 4: Simplify right side
    39,278.36x = 842,831,960.85
  5. Step 5: Solve for x
    x = 842,831,960.85/39,278.36
  6. Step 6: Final answer
    x = 21,457.92

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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.