Home / 42,794.56-64,167.13-13,204.45

Finding the Fourth Proportional to 42,794.56, 64,167.13 and 13,204.45

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Solution

The fourth proportional to 42,794.56, 64,167.13 and 13,204.45 is: 19,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,794.56 : 64,167.13 = 13,204.45 : x
  2. Step 2: Convert to fraction form
    42,794.56/64,167.13 = 13,204.45/x
  3. Step 3: Cross multiply
    42,794.56x = 64,167.13 × 13,204.45
  4. Step 4: Simplify right side
    42,794.56x = 847,291,659.73
  5. Step 5: Solve for x
    x = 847,291,659.73/42,794.56
  6. Step 6: Final answer
    x = 19,799.05

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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.