Home / 42,199.12-63,298.80-15,896.80

Finding the Fourth Proportional to 42,199.12, 63,298.80 and 15,896.80

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Solution

The fourth proportional to 42,199.12, 63,298.80 and 15,896.80 is: 23,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,199.12 : 63,298.80 = 15,896.80 : x
  2. Step 2: Convert to fraction form
    42,199.12/63,298.80 = 15,896.80/x
  3. Step 3: Cross multiply
    42,199.12x = 63,298.80 × 15,896.80
  4. Step 4: Simplify right side
    42,199.12x = 1,006,248,363.84
  5. Step 5: Solve for x
    x = 1,006,248,363.84/42,199.12
  6. Step 6: Final answer
    x = 23,845.25

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Similar ratio
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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.