Home / 52,845.21-79,267.65-13,402.23

Finding the Fourth Proportional to 52,845.21, 79,267.65 and 13,402.23

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Solution

The fourth proportional to 52,845.21, 79,267.65 and 13,402.23 is: 20,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.21 : 79,267.65 = 13,402.23 : x
  2. Step 2: Convert to fraction form
    52,845.21/79,267.65 = 13,402.23/x
  3. Step 3: Cross multiply
    52,845.21x = 79,267.65 × 13,402.23
  4. Step 4: Simplify right side
    52,845.21x = 1,062,362,929.35
  5. Step 5: Solve for x
    x = 1,062,362,929.35/52,845.21
  6. Step 6: Final answer
    x = 20,103.30

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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.