Home / 29,519.52-40,748.31-21,624.45

Finding the Fourth Proportional to 29,519.52, 40,748.31 and 21,624.45

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Solution

The fourth proportional to 29,519.52, 40,748.31 and 21,624.45 is: 29,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,519.52 : 40,748.31 = 21,624.45 : x
  2. Step 2: Convert to fraction form
    29,519.52/40,748.31 = 21,624.45/x
  3. Step 3: Cross multiply
    29,519.52x = 40,748.31 × 21,624.45
  4. Step 4: Simplify right side
    29,519.52x = 881,159,792.18
  5. Step 5: Solve for x
    x = 881,159,792.18/29,519.52
  6. Step 6: Final answer
    x = 29,850.07

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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.