Home / 51,689.34-77,534.28-20,524.59

Finding the Fourth Proportional to 51,689.34, 77,534.28 and 20,524.59

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Solution

The fourth proportional to 51,689.34, 77,534.28 and 20,524.59 is: 30,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,689.34 : 77,534.28 = 20,524.59 : x
  2. Step 2: Convert to fraction form
    51,689.34/77,534.28 = 20,524.59/x
  3. Step 3: Cross multiply
    51,689.34x = 77,534.28 × 20,524.59
  4. Step 4: Simplify right side
    51,689.34x = 1,591,359,307.95
  5. Step 5: Solve for x
    x = 1,591,359,307.95/51,689.34
  6. Step 6: Final answer
    x = 30,786.99

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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.