Home / 45,166.30-67,698.70-21,454.45

Finding the Fourth Proportional to 45,166.30, 67,698.70 and 21,454.45

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Solution

The fourth proportional to 45,166.30, 67,698.70 and 21,454.45 is: 32,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,166.30 : 67,698.70 = 21,454.45 : x
  2. Step 2: Convert to fraction form
    45,166.30/67,698.70 = 21,454.45/x
  3. Step 3: Cross multiply
    45,166.30x = 67,698.70 × 21,454.45
  4. Step 4: Simplify right side
    45,166.30x = 1,452,438,151.33
  5. Step 5: Solve for x
    x = 1,452,438,151.33/45,166.30
  6. Step 6: Final answer
    x = 32,157.57

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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.