Home / 42,638.96-63,958.60-13,056.68

Finding the Fourth Proportional to 42,638.96, 63,958.60 and 13,056.68

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Solution

The fourth proportional to 42,638.96, 63,958.60 and 13,056.68 is: 19,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,638.96 : 63,958.60 = 13,056.68 : x
  2. Step 2: Convert to fraction form
    42,638.96/63,958.60 = 13,056.68/x
  3. Step 3: Cross multiply
    42,638.96x = 63,958.60 × 13,056.68
  4. Step 4: Simplify right side
    42,638.96x = 835,086,588.37
  5. Step 5: Solve for x
    x = 835,086,588.37/42,638.96
  6. Step 6: Final answer
    x = 19,585.06

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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.