Home / 42,793.64-64,166.94-13,203.40

Finding the Fourth Proportional to 42,793.64, 64,166.94 and 13,203.40

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Solution

The fourth proportional to 42,793.64, 64,166.94 and 13,203.40 is: 19,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.64 : 64,166.94 = 13,203.40 : x
  2. Step 2: Convert to fraction form
    42,793.64/64,166.94 = 13,203.40/x
  3. Step 3: Cross multiply
    42,793.64x = 64,166.94 × 13,203.40
  4. Step 4: Simplify right side
    42,793.64x = 847,221,775.60
  5. Step 5: Solve for x
    x = 847,221,775.60/42,793.64
  6. Step 6: Final answer
    x = 19,797.84

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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.