Home / 42,141.68-63,191.36-14,051.79

Finding the Fourth Proportional to 42,141.68, 63,191.36 and 14,051.79

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Solution

The fourth proportional to 42,141.68, 63,191.36 and 14,051.79 is: 21,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.68 : 63,191.36 = 14,051.79 : x
  2. Step 2: Convert to fraction form
    42,141.68/63,191.36 = 14,051.79/x
  3. Step 3: Cross multiply
    42,141.68x = 63,191.36 × 14,051.79
  4. Step 4: Simplify right side
    42,141.68x = 887,951,650.28
  5. Step 5: Solve for x
    x = 887,951,650.28/42,141.68
  6. Step 6: Final answer
    x = 21,070.63

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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.