Home / 56,013.20-84,019.80-40,266.80

Finding the Fourth Proportional to 56,013.20, 84,019.80 and 40,266.80

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Solution

The fourth proportional to 56,013.20, 84,019.80 and 40,266.80 is: 60,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,013.20 : 84,019.80 = 40,266.80 : x
  2. Step 2: Convert to fraction form
    56,013.20/84,019.80 = 40,266.80/x
  3. Step 3: Cross multiply
    56,013.20x = 84,019.80 × 40,266.80
  4. Step 4: Simplify right side
    56,013.20x = 3,383,208,482.64
  5. Step 5: Solve for x
    x = 3,383,208,482.64/56,013.20
  6. Step 6: Final answer
    x = 60,400.20

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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.