Home / 42,846.41-64,282.75-19,173.88

Finding the Fourth Proportional to 42,846.41, 64,282.75 and 19,173.88

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Solution

The fourth proportional to 42,846.41, 64,282.75 and 19,173.88 is: 28,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,846.41 : 64,282.75 = 19,173.88 : x
  2. Step 2: Convert to fraction form
    42,846.41/64,282.75 = 19,173.88/x
  3. Step 3: Cross multiply
    42,846.41x = 64,282.75 × 19,173.88
  4. Step 4: Simplify right side
    42,846.41x = 1,232,549,766.99
  5. Step 5: Solve for x
    x = 1,232,549,766.99/42,846.41
  6. Step 6: Final answer
    x = 28,766.70

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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.