Home / 54,811.60-82,217.40-19,752.40

Finding the Fourth Proportional to 54,811.60, 82,217.40 and 19,752.40

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Solution

The fourth proportional to 54,811.60, 82,217.40 and 19,752.40 is: 29,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.60 : 82,217.40 = 19,752.40 : x
  2. Step 2: Convert to fraction form
    54,811.60/82,217.40 = 19,752.40/x
  3. Step 3: Cross multiply
    54,811.60x = 82,217.40 × 19,752.40
  4. Step 4: Simplify right side
    54,811.60x = 1,623,990,971.76
  5. Step 5: Solve for x
    x = 1,623,990,971.76/54,811.60
  6. Step 6: Final answer
    x = 29,628.60

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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.