Home / 42,054.61-63,093.26-13,979.20

Finding the Fourth Proportional to 42,054.61, 63,093.26 and 13,979.20

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Solution

The fourth proportional to 42,054.61, 63,093.26 and 13,979.20 is: 20,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,054.61 : 63,093.26 = 13,979.20 : x
  2. Step 2: Convert to fraction form
    42,054.61/63,093.26 = 13,979.20/x
  3. Step 3: Cross multiply
    42,054.61x = 63,093.26 × 13,979.20
  4. Step 4: Simplify right side
    42,054.61x = 881,993,230.30
  5. Step 5: Solve for x
    x = 881,993,230.30/42,054.61
  6. Step 6: Final answer
    x = 20,972.57

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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.