Home / 52,814.12-72,885.49-30,156.80

Finding the Fourth Proportional to 52,814.12, 72,885.49 and 30,156.80

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Solution

The fourth proportional to 52,814.12, 72,885.49 and 30,156.80 is: 41,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,814.12 : 72,885.49 = 30,156.80 : x
  2. Step 2: Convert to fraction form
    52,814.12/72,885.49 = 30,156.80/x
  3. Step 3: Cross multiply
    52,814.12x = 72,885.49 × 30,156.80
  4. Step 4: Simplify right side
    52,814.12x = 2,197,992,705.01
  5. Step 5: Solve for x
    x = 2,197,992,705.01/52,814.12
  6. Step 6: Final answer
    x = 41,617.52

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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.