Home / 34,800.16-48,008.28-20,647.84

Finding the Fourth Proportional to 34,800.16, 48,008.28 and 20,647.84

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Solution

The fourth proportional to 34,800.16, 48,008.28 and 20,647.84 is: 28,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,800.16 : 48,008.28 = 20,647.84 : x
  2. Step 2: Convert to fraction form
    34,800.16/48,008.28 = 20,647.84/x
  3. Step 3: Cross multiply
    34,800.16x = 48,008.28 × 20,647.84
  4. Step 4: Simplify right side
    34,800.16x = 991,267,284.12
  5. Step 5: Solve for x
    x = 991,267,284.12/34,800.16
  6. Step 6: Final answer
    x = 28,484.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.