Home / 57,493.34-86,208.72-20,043.35

Finding the Fourth Proportional to 57,493.34, 86,208.72 and 20,043.35

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Solution

The fourth proportional to 57,493.34, 86,208.72 and 20,043.35 is: 30,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493.34 : 86,208.72 = 20,043.35 : x
  2. Step 2: Convert to fraction form
    57,493.34/86,208.72 = 20,043.35/x
  3. Step 3: Cross multiply
    57,493.34x = 86,208.72 × 20,043.35
  4. Step 4: Simplify right side
    57,493.34x = 1,727,911,393.27
  5. Step 5: Solve for x
    x = 1,727,911,393.27/57,493.34
  6. Step 6: Final answer
    x = 30,054.11

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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.