Home / 63,630.20-95,445.30-51,820.40

Finding the Fourth Proportional to 63,630.20, 95,445.30 and 51,820.40

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Solution

The fourth proportional to 63,630.20, 95,445.30 and 51,820.40 is: 77,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,630.20 : 95,445.30 = 51,820.40 : x
  2. Step 2: Convert to fraction form
    63,630.20/95,445.30 = 51,820.40/x
  3. Step 3: Cross multiply
    63,630.20x = 95,445.30 × 51,820.40
  4. Step 4: Simplify right side
    63,630.20x = 4,946,013,624.12
  5. Step 5: Solve for x
    x = 4,946,013,624.12/63,630.20
  6. Step 6: Final answer
    x = 77,730.60

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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.