Home / 53,381.76-73,660.35-29,505.12

Finding the Fourth Proportional to 53,381.76, 73,660.35 and 29,505.12

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Solution

The fourth proportional to 53,381.76, 73,660.35 and 29,505.12 is: 40,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.76 : 73,660.35 = 29,505.12 : x
  2. Step 2: Convert to fraction form
    53,381.76/73,660.35 = 29,505.12/x
  3. Step 3: Cross multiply
    53,381.76x = 73,660.35 × 29,505.12
  4. Step 4: Simplify right side
    53,381.76x = 2,173,357,465.99
  5. Step 5: Solve for x
    x = 2,173,357,465.99/53,381.76
  6. Step 6: Final answer
    x = 40,713.48

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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.