Home / 45,014.15-67,513.52-18,711.83

Finding the Fourth Proportional to 45,014.15, 67,513.52 and 18,711.83

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Solution

The fourth proportional to 45,014.15, 67,513.52 and 18,711.83 is: 28,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,014.15 : 67,513.52 = 18,711.83 : x
  2. Step 2: Convert to fraction form
    45,014.15/67,513.52 = 18,711.83/x
  3. Step 3: Cross multiply
    45,014.15x = 67,513.52 × 18,711.83
  4. Step 4: Simplify right side
    45,014.15x = 1,263,301,077.81
  5. Step 5: Solve for x
    x = 1,263,301,077.81/45,014.15
  6. Step 6: Final answer
    x = 28,064.54

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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.