Home / 79,000.06-118,500.21-31,636.48

Finding the Fourth Proportional to 79,000.06, 118,500.21 and 31,636.48

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Solution

The fourth proportional to 79,000.06, 118,500.21 and 31,636.48 is: 47,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,000.06 : 118,500.21 = 31,636.48 : x
  2. Step 2: Convert to fraction form
    79,000.06/118,500.21 = 31,636.48/x
  3. Step 3: Cross multiply
    79,000.06x = 118,500.21 × 31,636.48
  4. Step 4: Simplify right side
    79,000.06x = 3,748,929,523.66
  5. Step 5: Solve for x
    x = 3,748,929,523.66/79,000.06
  6. Step 6: Final answer
    x = 47,454.77

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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.