Home / 35,948.76-49,615.80-20,851.08

Finding the Fourth Proportional to 35,948.76, 49,615.80 and 20,851.08

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Solution

The fourth proportional to 35,948.76, 49,615.80 and 20,851.08 is: 28,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,948.76 : 49,615.80 = 20,851.08 : x
  2. Step 2: Convert to fraction form
    35,948.76/49,615.80 = 20,851.08/x
  3. Step 3: Cross multiply
    35,948.76x = 49,615.80 × 20,851.08
  4. Step 4: Simplify right side
    35,948.76x = 1,034,543,015.06
  5. Step 5: Solve for x
    x = 1,034,543,015.06/35,948.76
  6. Step 6: Final answer
    x = 28,778.27

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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.