Home / 35,347.12-48,778.38-19,431.42

Finding the Fourth Proportional to 35,347.12, 48,778.38 and 19,431.42

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Solution

The fourth proportional to 35,347.12, 48,778.38 and 19,431.42 is: 26,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.12 : 48,778.38 = 19,431.42 : x
  2. Step 2: Convert to fraction form
    35,347.12/48,778.38 = 19,431.42/x
  3. Step 3: Cross multiply
    35,347.12x = 48,778.38 × 19,431.42
  4. Step 4: Simplify right side
    35,347.12x = 947,833,188.70
  5. Step 5: Solve for x
    x = 947,833,188.70/35,347.12
  6. Step 6: Final answer
    x = 26,815.00

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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.