Home / 45,638.37-68,459.45-15,673.20

Finding the Fourth Proportional to 45,638.37, 68,459.45 and 15,673.20

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Solution

The fourth proportional to 45,638.37, 68,459.45 and 15,673.20 is: 23,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,638.37 : 68,459.45 = 15,673.20 : x
  2. Step 2: Convert to fraction form
    45,638.37/68,459.45 = 15,673.20/x
  3. Step 3: Cross multiply
    45,638.37x = 68,459.45 × 15,673.20
  4. Step 4: Simplify right side
    45,638.37x = 1,072,978,651.74
  5. Step 5: Solve for x
    x = 1,072,978,651.74/45,638.37
  6. Step 6: Final answer
    x = 23,510.45

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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.