Home / 35,347.20-48,779.64-19,433.12

Finding the Fourth Proportional to 35,347.20, 48,779.64 and 19,433.12

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Solution

The fourth proportional to 35,347.20, 48,779.64 and 19,433.12 is: 26,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.20 : 48,779.64 = 19,433.12 : x
  2. Step 2: Convert to fraction form
    35,347.20/48,779.64 = 19,433.12/x
  3. Step 3: Cross multiply
    35,347.20x = 48,779.64 × 19,433.12
  4. Step 4: Simplify right side
    35,347.20x = 947,940,597.68
  5. Step 5: Solve for x
    x = 947,940,597.68/35,347.20
  6. Step 6: Final answer
    x = 26,817.98

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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.