Home / 51,733.08-77,604.63-20,145.76

Finding the Fourth Proportional to 51,733.08, 77,604.63 and 20,145.76

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Solution

The fourth proportional to 51,733.08, 77,604.63 and 20,145.76 is: 30,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,733.08 : 77,604.63 = 20,145.76 : x
  2. Step 2: Convert to fraction form
    51,733.08/77,604.63 = 20,145.76/x
  3. Step 3: Cross multiply
    51,733.08x = 77,604.63 × 20,145.76
  4. Step 4: Simplify right side
    51,733.08x = 1,563,404,531.16
  5. Step 5: Solve for x
    x = 1,563,404,531.16/51,733.08
  6. Step 6: Final answer
    x = 30,220.60

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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.