Home / 45,124.41-67,701.20-18,836.67

Finding the Fourth Proportional to 45,124.41, 67,701.20 and 18,836.67

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Solution

The fourth proportional to 45,124.41, 67,701.20 and 18,836.67 is: 28,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,124.41 : 67,701.20 = 18,836.67 : x
  2. Step 2: Convert to fraction form
    45,124.41/67,701.20 = 18,836.67/x
  3. Step 3: Cross multiply
    45,124.41x = 67,701.20 × 18,836.67
  4. Step 4: Simplify right side
    45,124.41x = 1,275,265,068.82
  5. Step 5: Solve for x
    x = 1,275,265,068.82/45,124.41
  6. Step 6: Final answer
    x = 28,261.09

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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.