Home / 35,130.51-48,468.31-20,012.48

Finding the Fourth Proportional to 35,130.51, 48,468.31 and 20,012.48

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Solution

The fourth proportional to 35,130.51, 48,468.31 and 20,012.48 is: 27,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.51 : 48,468.31 = 20,012.48 : x
  2. Step 2: Convert to fraction form
    35,130.51/48,468.31 = 20,012.48/x
  3. Step 3: Cross multiply
    35,130.51x = 48,468.31 × 20,012.48
  4. Step 4: Simplify right side
    35,130.51x = 969,970,973.89
  5. Step 5: Solve for x
    x = 969,970,973.89/35,130.51
  6. Step 6: Final answer
    x = 27,610.50

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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.