Home / 42,589.06-63,893.31-13,011.10

Finding the Fourth Proportional to 42,589.06, 63,893.31 and 13,011.10

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Solution

The fourth proportional to 42,589.06, 63,893.31 and 13,011.10 is: 19,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,589.06 : 63,893.31 = 13,011.10 : x
  2. Step 2: Convert to fraction form
    42,589.06/63,893.31 = 13,011.10/x
  3. Step 3: Cross multiply
    42,589.06x = 63,893.31 × 13,011.10
  4. Step 4: Simplify right side
    42,589.06x = 831,322,245.74
  5. Step 5: Solve for x
    x = 831,322,245.74/42,589.06
  6. Step 6: Final answer
    x = 19,519.62

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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.