Home / 32,653.10-45,047.84-21,318.66

Finding the Fourth Proportional to 32,653.10, 45,047.84 and 21,318.66

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Solution

The fourth proportional to 32,653.10, 45,047.84 and 21,318.66 is: 29,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,653.10 : 45,047.84 = 21,318.66 : x
  2. Step 2: Convert to fraction form
    32,653.10/45,047.84 = 21,318.66/x
  3. Step 3: Cross multiply
    32,653.10x = 45,047.84 × 21,318.66
  4. Step 4: Simplify right side
    32,653.10x = 960,359,478.10
  5. Step 5: Solve for x
    x = 960,359,478.10/32,653.10
  6. Step 6: Final answer
    x = 29,410.98

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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.