Home / 51,803.40-77,701.57-20,207.62

Finding the Fourth Proportional to 51,803.40, 77,701.57 and 20,207.62

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Solution

The fourth proportional to 51,803.40, 77,701.57 and 20,207.62 is: 30,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,803.40 : 77,701.57 = 20,207.62 : x
  2. Step 2: Convert to fraction form
    51,803.40/77,701.57 = 20,207.62/x
  3. Step 3: Cross multiply
    51,803.40x = 77,701.57 × 20,207.62
  4. Step 4: Simplify right side
    51,803.40x = 1,570,163,799.96
  5. Step 5: Solve for x
    x = 1,570,163,799.96/51,803.40
  6. Step 6: Final answer
    x = 30,310.05

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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.