Home / 20,741.98-31,094.28-14,080.74

Finding the Fourth Proportional to 20,741.98, 31,094.28 and 14,080.74

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Solution

The fourth proportional to 20,741.98, 31,094.28 and 14,080.74 is: 21,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.98 : 31,094.28 = 14,080.74 : x
  2. Step 2: Convert to fraction form
    20,741.98/31,094.28 = 14,080.74/x
  3. Step 3: Cross multiply
    20,741.98x = 31,094.28 × 14,080.74
  4. Step 4: Simplify right side
    20,741.98x = 437,830,472.17
  5. Step 5: Solve for x
    x = 437,830,472.17/20,741.98
  6. Step 6: Final answer
    x = 21,108.42

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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.