Home / 52,677.20-79,015.80-13,235.60

Finding the Fourth Proportional to 52,677.20, 79,015.80 and 13,235.60

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Solution

The fourth proportional to 52,677.20, 79,015.80 and 13,235.60 is: 19,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,677.20 : 79,015.80 = 13,235.60 : x
  2. Step 2: Convert to fraction form
    52,677.20/79,015.80 = 13,235.60/x
  3. Step 3: Cross multiply
    52,677.20x = 79,015.80 × 13,235.60
  4. Step 4: Simplify right side
    52,677.20x = 1,045,821,522.48
  5. Step 5: Solve for x
    x = 1,045,821,522.48/52,677.20
  6. Step 6: Final answer
    x = 19,853.40

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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.