Home / 39,639.69-59,459.54-13,342.23

Finding the Fourth Proportional to 39,639.69, 59,459.54 and 13,342.23

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Solution

The fourth proportional to 39,639.69, 59,459.54 and 13,342.23 is: 20,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.69 : 59,459.54 = 13,342.23 : x
  2. Step 2: Convert to fraction form
    39,639.69/59,459.54 = 13,342.23/x
  3. Step 3: Cross multiply
    39,639.69x = 59,459.54 × 13,342.23
  4. Step 4: Simplify right side
    39,639.69x = 793,322,791.66
  5. Step 5: Solve for x
    x = 793,322,791.66/39,639.69
  6. Step 6: Final answer
    x = 20,013.35

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Similar ratio
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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.