Home / 42,793.56-64,165.64-13,203.45

Finding the Fourth Proportional to 42,793.56, 64,165.64 and 13,203.45

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Solution

The fourth proportional to 42,793.56, 64,165.64 and 13,203.45 is: 19,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.56 : 64,165.64 = 13,203.45 : x
  2. Step 2: Convert to fraction form
    42,793.56/64,165.64 = 13,203.45/x
  3. Step 3: Cross multiply
    42,793.56x = 64,165.64 × 13,203.45
  4. Step 4: Simplify right side
    42,793.56x = 847,207,753.44
  5. Step 5: Solve for x
    x = 847,207,753.44/42,793.56
  6. Step 6: Final answer
    x = 19,797.55

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1.5x scale

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.