Home / 40,313.52-60,476.54-20,581.40

Finding the Fourth Proportional to 40,313.52, 60,476.54 and 20,581.40

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Solution

The fourth proportional to 40,313.52, 60,476.54 and 20,581.40 is: 30,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.52 : 60,476.54 = 20,581.40 : x
  2. Step 2: Convert to fraction form
    40,313.52/60,476.54 = 20,581.40/x
  3. Step 3: Cross multiply
    40,313.52x = 60,476.54 × 20,581.40
  4. Step 4: Simplify right side
    40,313.52x = 1,244,691,860.36
  5. Step 5: Solve for x
    x = 1,244,691,860.36/40,313.52
  6. Step 6: Final answer
    x = 30,875.30

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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.