Home / 36,420.80-54,644.28-14,250.12

Finding the Fourth Proportional to 36,420.80, 54,644.28 and 14,250.12

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Solution

The fourth proportional to 36,420.80, 54,644.28 and 14,250.12 is: 21,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.80 : 54,644.28 = 14,250.12 : x
  2. Step 2: Convert to fraction form
    36,420.80/54,644.28 = 14,250.12/x
  3. Step 3: Cross multiply
    36,420.80x = 54,644.28 × 14,250.12
  4. Step 4: Simplify right side
    36,420.80x = 778,687,547.31
  5. Step 5: Solve for x
    x = 778,687,547.31/36,420.80
  6. Step 6: Final answer
    x = 21,380.30

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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.