Home / 53,848.19-80,809.18-18,787.84

Finding the Fourth Proportional to 53,848.19, 80,809.18 and 18,787.84

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Solution

The fourth proportional to 53,848.19, 80,809.18 and 18,787.84 is: 28,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,848.19 : 80,809.18 = 18,787.84 : x
  2. Step 2: Convert to fraction form
    53,848.19/80,809.18 = 18,787.84/x
  3. Step 3: Cross multiply
    53,848.19x = 80,809.18 × 18,787.84
  4. Step 4: Simplify right side
    53,848.19x = 1,518,229,944.37
  5. Step 5: Solve for x
    x = 1,518,229,944.37/53,848.19
  6. Step 6: Final answer
    x = 28,194.64

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1.5x scale

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.