Home / 39,433.74-59,146.58-13,135.64

Finding the Fourth Proportional to 39,433.74, 59,146.58 and 13,135.64

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Solution

The fourth proportional to 39,433.74, 59,146.58 and 13,135.64 is: 19,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.74 : 59,146.58 = 13,135.64 : x
  2. Step 2: Convert to fraction form
    39,433.74/59,146.58 = 13,135.64/x
  3. Step 3: Cross multiply
    39,433.74x = 59,146.58 × 13,135.64
  4. Step 4: Simplify right side
    39,433.74x = 776,928,182.11
  5. Step 5: Solve for x
    x = 776,928,182.11/39,433.74
  6. Step 6: Final answer
    x = 19,702.12

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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.