Home / 40,313.69-60,454.97-13,289.54

Finding the Fourth Proportional to 40,313.69, 60,454.97 and 13,289.54

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Solution

The fourth proportional to 40,313.69, 60,454.97 and 13,289.54 is: 19,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.69 : 60,454.97 = 13,289.54 : x
  2. Step 2: Convert to fraction form
    40,313.69/60,454.97 = 13,289.54/x
  3. Step 3: Cross multiply
    40,313.69x = 60,454.97 × 13,289.54
  4. Step 4: Simplify right side
    40,313.69x = 803,418,373.29
  5. Step 5: Solve for x
    x = 803,418,373.29/40,313.69
  6. Step 6: Final answer
    x = 19,929.17

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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.