Home / 35,478.28-53,219.04-12,104.92

Finding the Fourth Proportional to 35,478.28, 53,219.04 and 12,104.92

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Solution

The fourth proportional to 35,478.28, 53,219.04 and 12,104.92 is: 18,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.28 : 53,219.04 = 12,104.92 : x
  2. Step 2: Convert to fraction form
    35,478.28/53,219.04 = 12,104.92/x
  3. Step 3: Cross multiply
    35,478.28x = 53,219.04 × 12,104.92
  4. Step 4: Simplify right side
    35,478.28x = 644,212,221.68
  5. Step 5: Solve for x
    x = 644,212,221.68/35,478.28
  6. Step 6: Final answer
    x = 18,157.93

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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.