Home / 32,682.24-45,111-21,353.40

Finding the Fourth Proportional to 32,682.24, 45,111 and 21,353.40

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Solution

The fourth proportional to 32,682.24, 45,111 and 21,353.40 is: 29,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,682.24 : 45,111 = 21,353.40 : x
  2. Step 2: Convert to fraction form
    32,682.24/45,111 = 21,353.40/x
  3. Step 3: Cross multiply
    32,682.24x = 45,111 × 21,353.40
  4. Step 4: Simplify right side
    32,682.24x = 963,273,227.40
  5. Step 5: Solve for x
    x = 963,273,227.40/32,682.24
  6. Step 6: Final answer
    x = 29,473.90

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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.