Home / 39,435.26-59,151.67-13,139.31

Finding the Fourth Proportional to 39,435.26, 59,151.67 and 13,139.31

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Solution

The fourth proportional to 39,435.26, 59,151.67 and 13,139.31 is: 19,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.26 : 59,151.67 = 13,139.31 : x
  2. Step 2: Convert to fraction form
    39,435.26/59,151.67 = 13,139.31/x
  3. Step 3: Cross multiply
    39,435.26x = 59,151.67 × 13,139.31
  4. Step 4: Simplify right side
    39,435.26x = 777,212,318.12
  5. Step 5: Solve for x
    x = 777,212,318.12/39,435.26
  6. Step 6: Final answer
    x = 19,708.57

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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.