Home / 35,043.84-48,353.28-20,136.96

Finding the Fourth Proportional to 35,043.84, 48,353.28 and 20,136.96

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Solution

The fourth proportional to 35,043.84, 48,353.28 and 20,136.96 is: 27,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.84 : 48,353.28 = 20,136.96 : x
  2. Step 2: Convert to fraction form
    35,043.84/48,353.28 = 20,136.96/x
  3. Step 3: Cross multiply
    35,043.84x = 48,353.28 × 20,136.96
  4. Step 4: Simplify right side
    35,043.84x = 973,688,065.23
  5. Step 5: Solve for x
    x = 973,688,065.23/35,043.84
  6. Step 6: Final answer
    x = 27,784.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.