Home / 63,000.20-94,510.32-20,881.78

Finding the Fourth Proportional to 63,000.20, 94,510.32 and 20,881.78

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Solution

The fourth proportional to 63,000.20, 94,510.32 and 20,881.78 is: 31,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,000.20 : 94,510.32 = 20,881.78 : x
  2. Step 2: Convert to fraction form
    63,000.20/94,510.32 = 20,881.78/x
  3. Step 3: Cross multiply
    63,000.20x = 94,510.32 × 20,881.78
  4. Step 4: Simplify right side
    63,000.20x = 1,973,543,709.97
  5. Step 5: Solve for x
    x = 1,973,543,709.97/63,000.20
  6. Step 6: Final answer
    x = 31,325.99

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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.