Home / 52,160.32-78,212.16-18,409.44

Finding the Fourth Proportional to 52,160.32, 78,212.16 and 18,409.44

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Solution

The fourth proportional to 52,160.32, 78,212.16 and 18,409.44 is: 27,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,160.32 : 78,212.16 = 18,409.44 : x
  2. Step 2: Convert to fraction form
    52,160.32/78,212.16 = 18,409.44/x
  3. Step 3: Cross multiply
    52,160.32x = 78,212.16 × 18,409.44
  4. Step 4: Simplify right side
    52,160.32x = 1,439,842,066.79
  5. Step 5: Solve for x
    x = 1,439,842,066.79/52,160.32
  6. Step 6: Final answer
    x = 27,604.16

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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.