Home / 53,770.40-80,655.41-13,789.34

Finding the Fourth Proportional to 53,770.40, 80,655.41 and 13,789.34

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Solution

The fourth proportional to 53,770.40, 80,655.41 and 13,789.34 is: 20,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,770.40 : 80,655.41 = 13,789.34 : x
  2. Step 2: Convert to fraction form
    53,770.40/80,655.41 = 13,789.34/x
  3. Step 3: Cross multiply
    53,770.40x = 80,655.41 × 13,789.34
  4. Step 4: Simplify right side
    53,770.40x = 1,112,184,502.53
  5. Step 5: Solve for x
    x = 1,112,184,502.53/53,770.40
  6. Step 6: Final answer
    x = 20,683.96

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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.