Home / 42,750.12-64,416.99-35,129.64

Finding the Fourth Proportional to 42,750.12, 64,416.99 and 35,129.64

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Solution

The fourth proportional to 42,750.12, 64,416.99 and 35,129.64 is: 52,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.12 : 64,416.99 = 35,129.64 : x
  2. Step 2: Convert to fraction form
    42,750.12/64,416.99 = 35,129.64/x
  3. Step 3: Cross multiply
    42,750.12x = 64,416.99 × 35,129.64
  4. Step 4: Simplify right side
    42,750.12x = 2,262,945,668.58
  5. Step 5: Solve for x
    x = 2,262,945,668.58/42,750.12
  6. Step 6: Final answer
    x = 52,934.25

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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.