Home / 34,848.30-48,090.84-21,428.32

Finding the Fourth Proportional to 34,848.30, 48,090.84 and 21,428.32

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Solution

The fourth proportional to 34,848.30, 48,090.84 and 21,428.32 is: 29,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,848.30 : 48,090.84 = 21,428.32 : x
  2. Step 2: Convert to fraction form
    34,848.30/48,090.84 = 21,428.32/x
  3. Step 3: Cross multiply
    34,848.30x = 48,090.84 × 21,428.32
  4. Step 4: Simplify right side
    34,848.30x = 1,030,505,908.59
  5. Step 5: Solve for x
    x = 1,030,505,908.59/34,848.30
  6. Step 6: Final answer
    x = 29,571.20

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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.