Home / 48,279.40-72,401.33-16,681.34

Finding the Fourth Proportional to 48,279.40, 72,401.33 and 16,681.34

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Solution

The fourth proportional to 48,279.40, 72,401.33 and 16,681.34 is: 25,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.40 : 72,401.33 = 16,681.34 : x
  2. Step 2: Convert to fraction form
    48,279.40/72,401.33 = 16,681.34/x
  3. Step 3: Cross multiply
    48,279.40x = 72,401.33 × 16,681.34
  4. Step 4: Simplify right side
    48,279.40x = 1,207,751,424.89
  5. Step 5: Solve for x
    x = 1,207,751,424.89/48,279.40
  6. Step 6: Final answer
    x = 25,015.88

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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.