Home / 40,556.16-55,972.80-23,790.72

Finding the Fourth Proportional to 40,556.16, 55,972.80 and 23,790.72

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Solution

The fourth proportional to 40,556.16, 55,972.80 and 23,790.72 is: 32,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,556.16 : 55,972.80 = 23,790.72 : x
  2. Step 2: Convert to fraction form
    40,556.16/55,972.80 = 23,790.72/x
  3. Step 3: Cross multiply
    40,556.16x = 55,972.80 × 23,790.72
  4. Step 4: Simplify right side
    40,556.16x = 1,331,633,212.42
  5. Step 5: Solve for x
    x = 1,331,633,212.42/40,556.16
  6. Step 6: Final answer
    x = 32,834.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.