Home / 55,262.32-82,918-28,960.80

Finding the Fourth Proportional to 55,262.32, 82,918 and 28,960.80

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Solution

The fourth proportional to 55,262.32, 82,918 and 28,960.80 is: 43,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,262.32 : 82,918 = 28,960.80 : x
  2. Step 2: Convert to fraction form
    55,262.32/82,918 = 28,960.80/x
  3. Step 3: Cross multiply
    55,262.32x = 82,918 × 28,960.80
  4. Step 4: Simplify right side
    55,262.32x = 2,401,371,614.40
  5. Step 5: Solve for x
    x = 2,401,371,614.40/55,262.32
  6. Step 6: Final answer
    x = 43,454.05

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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.