Home / 52,679.21-79,017.98-13,236.35

Finding the Fourth Proportional to 52,679.21, 79,017.98 and 13,236.35

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Solution

The fourth proportional to 52,679.21, 79,017.98 and 13,236.35 is: 19,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.21 : 79,017.98 = 13,236.35 : x
  2. Step 2: Convert to fraction form
    52,679.21/79,017.98 = 13,236.35/x
  3. Step 3: Cross multiply
    52,679.21x = 79,017.98 × 13,236.35
  4. Step 4: Simplify right side
    52,679.21x = 1,045,909,178.30
  5. Step 5: Solve for x
    x = 1,045,909,178.30/52,679.21
  6. Step 6: Final answer
    x = 19,854.31

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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.