Home / 45,520.59-68,300.01-21,840.87

Finding the Fourth Proportional to 45,520.59, 68,300.01 and 21,840.87

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Solution

The fourth proportional to 45,520.59, 68,300.01 and 21,840.87 is: 32,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,520.59 : 68,300.01 = 21,840.87 : x
  2. Step 2: Convert to fraction form
    45,520.59/68,300.01 = 21,840.87/x
  3. Step 3: Cross multiply
    45,520.59x = 68,300.01 × 21,840.87
  4. Step 4: Simplify right side
    45,520.59x = 1,491,731,639.41
  5. Step 5: Solve for x
    x = 1,491,731,639.41/45,520.59
  6. Step 6: Final answer
    x = 32,770.48

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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.