Home / 45,459.90-68,190.34-15,877.80

Finding the Fourth Proportional to 45,459.90, 68,190.34 and 15,877.80

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Solution

The fourth proportional to 45,459.90, 68,190.34 and 15,877.80 is: 23,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.90 : 68,190.34 = 15,877.80 : x
  2. Step 2: Convert to fraction form
    45,459.90/68,190.34 = 15,877.80/x
  3. Step 3: Cross multiply
    45,459.90x = 68,190.34 × 15,877.80
  4. Step 4: Simplify right side
    45,459.90x = 1,082,712,580.45
  5. Step 5: Solve for x
    x = 1,082,712,580.45/45,459.90
  6. Step 6: Final answer
    x = 23,816.87

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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.