Home / 52,037.88-78,060.47-20,873.13

Finding the Fourth Proportional to 52,037.88, 78,060.47 and 20,873.13

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Solution

The fourth proportional to 52,037.88, 78,060.47 and 20,873.13 is: 31,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,037.88 : 78,060.47 = 20,873.13 : x
  2. Step 2: Convert to fraction form
    52,037.88/78,060.47 = 20,873.13/x
  3. Step 3: Cross multiply
    52,037.88x = 78,060.47 × 20,873.13
  4. Step 4: Simplify right side
    52,037.88x = 1,629,366,338.17
  5. Step 5: Solve for x
    x = 1,629,366,338.17/52,037.88
  6. Step 6: Final answer
    x = 31,311.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.