Home / 38,014.29-56,977.63-20,447.19

Finding the Fourth Proportional to 38,014.29, 56,977.63 and 20,447.19

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Solution

The fourth proportional to 38,014.29, 56,977.63 and 20,447.19 is: 30,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.29 : 56,977.63 = 20,447.19 : x
  2. Step 2: Convert to fraction form
    38,014.29/56,977.63 = 20,447.19/x
  3. Step 3: Cross multiply
    38,014.29x = 56,977.63 × 20,447.19
  4. Step 4: Simplify right side
    38,014.29x = 1,165,032,375.24
  5. Step 5: Solve for x
    x = 1,165,032,375.24/38,014.29
  6. Step 6: Final answer
    x = 30,647.22

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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.