Home / 35,387.28-53,081.33-12,015.54

Finding the Fourth Proportional to 35,387.28, 53,081.33 and 12,015.54

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Solution

The fourth proportional to 35,387.28, 53,081.33 and 12,015.54 is: 18,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.28 : 53,081.33 = 12,015.54 : x
  2. Step 2: Convert to fraction form
    35,387.28/53,081.33 = 12,015.54/x
  3. Step 3: Cross multiply
    35,387.28x = 53,081.33 × 12,015.54
  4. Step 4: Simplify right side
    35,387.28x = 637,800,783.79
  5. Step 5: Solve for x
    x = 637,800,783.79/35,387.28
  6. Step 6: Final answer
    x = 18,023.45

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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.