Home / 20,701.80-31,052.70-16,036.20

Finding the Fourth Proportional to 20,701.80, 31,052.70 and 16,036.20

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Solution

The fourth proportional to 20,701.80, 31,052.70 and 16,036.20 is: 24,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.80 : 31,052.70 = 16,036.20 : x
  2. Step 2: Convert to fraction form
    20,701.80/31,052.70 = 16,036.20/x
  3. Step 3: Cross multiply
    20,701.80x = 31,052.70 × 16,036.20
  4. Step 4: Simplify right side
    20,701.80x = 497,967,307.74
  5. Step 5: Solve for x
    x = 497,967,307.74/20,701.80
  6. Step 6: Final answer
    x = 24,054.30

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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.