Home / 55,264.32-82,921-28,962.80

Finding the Fourth Proportional to 55,264.32, 82,921 and 28,962.80

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Solution

The fourth proportional to 55,264.32, 82,921 and 28,962.80 is: 43,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264.32 : 82,921 = 28,962.80 : x
  2. Step 2: Convert to fraction form
    55,264.32/82,921 = 28,962.80/x
  3. Step 3: Cross multiply
    55,264.32x = 82,921 × 28,962.80
  4. Step 4: Simplify right side
    55,264.32x = 2,401,624,338.80
  5. Step 5: Solve for x
    x = 2,401,624,338.80/55,264.32
  6. Step 6: Final answer
    x = 43,457.05

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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.