Home / 43,010.20-64,515.30-39,802.60

Finding the Fourth Proportional to 43,010.20, 64,515.30 and 39,802.60

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Solution

The fourth proportional to 43,010.20, 64,515.30 and 39,802.60 is: 59,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.20 : 64,515.30 = 39,802.60 : x
  2. Step 2: Convert to fraction form
    43,010.20/64,515.30 = 39,802.60/x
  3. Step 3: Cross multiply
    43,010.20x = 64,515.30 × 39,802.60
  4. Step 4: Simplify right side
    43,010.20x = 2,567,876,679.78
  5. Step 5: Solve for x
    x = 2,567,876,679.78/43,010.20
  6. Step 6: Final answer
    x = 59,703.90

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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.