Home / 45,160.56-67,722.30-13,559.58

Finding the Fourth Proportional to 45,160.56, 67,722.30 and 13,559.58

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Solution

The fourth proportional to 45,160.56, 67,722.30 and 13,559.58 is: 20,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160.56 : 67,722.30 = 13,559.58 : x
  2. Step 2: Convert to fraction form
    45,160.56/67,722.30 = 13,559.58/x
  3. Step 3: Cross multiply
    45,160.56x = 67,722.30 × 13,559.58
  4. Step 4: Simplify right side
    45,160.56x = 918,285,944.63
  5. Step 5: Solve for x
    x = 918,285,944.63/45,160.56
  6. Step 6: Final answer
    x = 20,333.80

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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.