Home / 42,550.74-64,144.68-39,696.30

Finding the Fourth Proportional to 42,550.74, 64,144.68 and 39,696.30

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Solution

The fourth proportional to 42,550.74, 64,144.68 and 39,696.30 is: 59,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550.74 : 64,144.68 = 39,696.30 : x
  2. Step 2: Convert to fraction form
    42,550.74/64,144.68 = 39,696.30/x
  3. Step 3: Cross multiply
    42,550.74x = 64,144.68 × 39,696.30
  4. Step 4: Simplify right side
    42,550.74x = 2,546,306,262.20
  5. Step 5: Solve for x
    x = 2,546,306,262.20/42,550.74
  6. Step 6: Final answer
    x = 59,841.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.