Home / 38,851.61-58,277.34-12,556.31

Finding the Fourth Proportional to 38,851.61, 58,277.34 and 12,556.31

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Solution

The fourth proportional to 38,851.61, 58,277.34 and 12,556.31 is: 18,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.61 : 58,277.34 = 12,556.31 : x
  2. Step 2: Convert to fraction form
    38,851.61/58,277.34 = 12,556.31/x
  3. Step 3: Cross multiply
    38,851.61x = 58,277.34 × 12,556.31
  4. Step 4: Simplify right side
    38,851.61x = 731,748,055.63
  5. Step 5: Solve for x
    x = 731,748,055.63/38,851.61
  6. Step 6: Final answer
    x = 18,834.44

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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.