Home / 51,000.90-76,512.15-15,459.30

Finding the Fourth Proportional to 51,000.90, 76,512.15 and 15,459.30

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Solution

The fourth proportional to 51,000.90, 76,512.15 and 15,459.30 is: 23,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.90 : 76,512.15 = 15,459.30 : x
  2. Step 2: Convert to fraction form
    51,000.90/76,512.15 = 15,459.30/x
  3. Step 3: Cross multiply
    51,000.90x = 76,512.15 × 15,459.30
  4. Step 4: Simplify right side
    51,000.90x = 1,182,824,280.50
  5. Step 5: Solve for x
    x = 1,182,824,280.50/51,000.90
  6. Step 6: Final answer
    x = 23,192.22

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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.