Home / 35,431.47-48,893.36-20,326.59

Finding the Fourth Proportional to 35,431.47, 48,893.36 and 20,326.59

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Solution

The fourth proportional to 35,431.47, 48,893.36 and 20,326.59 is: 28,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.47 : 48,893.36 = 20,326.59 : x
  2. Step 2: Convert to fraction form
    35,431.47/48,893.36 = 20,326.59/x
  3. Step 3: Cross multiply
    35,431.47x = 48,893.36 × 20,326.59
  4. Step 4: Simplify right side
    35,431.47x = 993,835,180.81
  5. Step 5: Solve for x
    x = 993,835,180.81/35,431.47
  6. Step 6: Final answer
    x = 28,049.50

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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.