Home / 48,672.90-72,982-15,401.34

Finding the Fourth Proportional to 48,672.90, 72,982 and 15,401.34

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Solution

The fourth proportional to 48,672.90, 72,982 and 15,401.34 is: 23,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.90 : 72,982 = 15,401.34 : x
  2. Step 2: Convert to fraction form
    48,672.90/72,982 = 15,401.34/x
  3. Step 3: Cross multiply
    48,672.90x = 72,982 × 15,401.34
  4. Step 4: Simplify right side
    48,672.90x = 1,124,020,595.88
  5. Step 5: Solve for x
    x = 1,124,020,595.88/48,672.90
  6. Step 6: Final answer
    x = 23,093.36

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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.