Home / 53,190.84-79,790.04-21,585.72

Finding the Fourth Proportional to 53,190.84, 79,790.04 and 21,585.72

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Solution

The fourth proportional to 53,190.84, 79,790.04 and 21,585.72 is: 32,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190.84 : 79,790.04 = 21,585.72 : x
  2. Step 2: Convert to fraction form
    53,190.84/79,790.04 = 21,585.72/x
  3. Step 3: Cross multiply
    53,190.84x = 79,790.04 × 21,585.72
  4. Step 4: Simplify right side
    53,190.84x = 1,722,325,462.23
  5. Step 5: Solve for x
    x = 1,722,325,462.23/53,190.84
  6. Step 6: Final answer
    x = 32,380.11

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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.