Home / 42,958.34-59,147.79-39,021.74

Finding the Fourth Proportional to 42,958.34, 59,147.79 and 39,021.74

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Solution

The fourth proportional to 42,958.34, 59,147.79 and 39,021.74 is: 53,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,958.34 : 59,147.79 = 39,021.74 : x
  2. Step 2: Convert to fraction form
    42,958.34/59,147.79 = 39,021.74/x
  3. Step 3: Cross multiply
    42,958.34x = 59,147.79 × 39,021.74
  4. Step 4: Simplify right side
    42,958.34x = 2,308,049,682.95
  5. Step 5: Solve for x
    x = 2,308,049,682.95/42,958.34
  6. Step 6: Final answer
    x = 53,727.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.