Home / 48,539.64-72,842.40-18,957.36

Finding the Fourth Proportional to 48,539.64, 72,842.40 and 18,957.36

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Solution

The fourth proportional to 48,539.64, 72,842.40 and 18,957.36 is: 28,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,539.64 : 72,842.40 = 18,957.36 : x
  2. Step 2: Convert to fraction form
    48,539.64/72,842.40 = 18,957.36/x
  3. Step 3: Cross multiply
    48,539.64x = 72,842.40 × 18,957.36
  4. Step 4: Simplify right side
    48,539.64x = 1,380,899,600.06
  5. Step 5: Solve for x
    x = 1,380,899,600.06/48,539.64
  6. Step 6: Final answer
    x = 28,448.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.