Home / 45,510.58-68,255.34-17,420.59

Finding the Fourth Proportional to 45,510.58, 68,255.34 and 17,420.59

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Solution

The fourth proportional to 45,510.58, 68,255.34 and 17,420.59 is: 26,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,510.58 : 68,255.34 = 17,420.59 : x
  2. Step 2: Convert to fraction form
    45,510.58/68,255.34 = 17,420.59/x
  3. Step 3: Cross multiply
    45,510.58x = 68,255.34 × 17,420.59
  4. Step 4: Simplify right side
    45,510.58x = 1,189,048,293.45
  5. Step 5: Solve for x
    x = 1,189,048,293.45/45,510.58
  6. Step 6: Final answer
    x = 26,126.85

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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.