Home / 53,262.42-79,934.88-20,012.70

Finding the Fourth Proportional to 53,262.42, 79,934.88 and 20,012.70

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Solution

The fourth proportional to 53,262.42, 79,934.88 and 20,012.70 is: 30,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,262.42 : 79,934.88 = 20,012.70 : x
  2. Step 2: Convert to fraction form
    53,262.42/79,934.88 = 20,012.70/x
  3. Step 3: Cross multiply
    53,262.42x = 79,934.88 × 20,012.70
  4. Step 4: Simplify right side
    53,262.42x = 1,599,712,772.98
  5. Step 5: Solve for x
    x = 1,599,712,772.98/53,262.42
  6. Step 6: Final answer
    x = 30,034.55

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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.