Home / 42,790.14-64,141.46-14,701.77

Finding the Fourth Proportional to 42,790.14, 64,141.46 and 14,701.77

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Solution

The fourth proportional to 42,790.14, 64,141.46 and 14,701.77 is: 22,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.14 : 64,141.46 = 14,701.77 : x
  2. Step 2: Convert to fraction form
    42,790.14/64,141.46 = 14,701.77/x
  3. Step 3: Cross multiply
    42,790.14x = 64,141.46 × 14,701.77
  4. Step 4: Simplify right side
    42,790.14x = 942,992,992.38
  5. Step 5: Solve for x
    x = 942,992,992.38/42,790.14
  6. Step 6: Final answer
    x = 22,037.62

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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.