Home / 35,349.64-48,779.56-20,238.84

Finding the Fourth Proportional to 35,349.64, 48,779.56 and 20,238.84

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Solution

The fourth proportional to 35,349.64, 48,779.56 and 20,238.84 is: 27,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.64 : 48,779.56 = 20,238.84 : x
  2. Step 2: Convert to fraction form
    35,349.64/48,779.56 = 20,238.84/x
  3. Step 3: Cross multiply
    35,349.64x = 48,779.56 × 20,238.84
  4. Step 4: Simplify right side
    35,349.64x = 987,241,710.11
  5. Step 5: Solve for x
    x = 987,241,710.11/35,349.64
  6. Step 6: Final answer
    x = 27,927.91

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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.