Home / 39,739.66-59,618.71-11,658.58

Finding the Fourth Proportional to 39,739.66, 59,618.71 and 11,658.58

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Solution

The fourth proportional to 39,739.66, 59,618.71 and 11,658.58 is: 17,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.66 : 59,618.71 = 11,658.58 : x
  2. Step 2: Convert to fraction form
    39,739.66/59,618.71 = 11,658.58/x
  3. Step 3: Cross multiply
    39,739.66x = 59,618.71 × 11,658.58
  4. Step 4: Simplify right side
    39,739.66x = 695,069,201.94
  5. Step 5: Solve for x
    x = 695,069,201.94/39,739.66
  6. Step 6: Final answer
    x = 17,490.57

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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.