Home / 45,148.35-67,733.46-13,558.35

Finding the Fourth Proportional to 45,148.35, 67,733.46 and 13,558.35

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Solution

The fourth proportional to 45,148.35, 67,733.46 and 13,558.35 is: 20,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,148.35 : 67,733.46 = 13,558.35 : x
  2. Step 2: Convert to fraction form
    45,148.35/67,733.46 = 13,558.35/x
  3. Step 3: Cross multiply
    45,148.35x = 67,733.46 × 13,558.35
  4. Step 4: Simplify right side
    45,148.35x = 918,353,957.39
  5. Step 5: Solve for x
    x = 918,353,957.39/45,148.35
  6. Step 6: Final answer
    x = 20,340.81

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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.