Home / 47,642.68-65,750.84-26,428.80

Finding the Fourth Proportional to 47,642.68, 65,750.84 and 26,428.80

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Solution

The fourth proportional to 47,642.68, 65,750.84 and 26,428.80 is: 36,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.68 : 65,750.84 = 26,428.80 : x
  2. Step 2: Convert to fraction form
    47,642.68/65,750.84 = 26,428.80/x
  3. Step 3: Cross multiply
    47,642.68x = 65,750.84 × 26,428.80
  4. Step 4: Simplify right side
    47,642.68x = 1,737,715,800.19
  5. Step 5: Solve for x
    x = 1,737,715,800.19/47,642.68
  6. Step 6: Final answer
    x = 36,473.93

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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.