Home / 45,899.72-68,852.87-19,218.86

Finding the Fourth Proportional to 45,899.72, 68,852.87 and 19,218.86

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Solution

The fourth proportional to 45,899.72, 68,852.87 and 19,218.86 is: 28,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.72 : 68,852.87 = 19,218.86 : x
  2. Step 2: Convert to fraction form
    45,899.72/68,852.87 = 19,218.86/x
  3. Step 3: Cross multiply
    45,899.72x = 68,852.87 × 19,218.86
  4. Step 4: Simplify right side
    45,899.72x = 1,323,273,228.77
  5. Step 5: Solve for x
    x = 1,323,273,228.77/45,899.72
  6. Step 6: Final answer
    x = 28,829.66

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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.