Home / 39,645.47-59,453.39-15,945.02

Finding the Fourth Proportional to 39,645.47, 59,453.39 and 15,945.02

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Solution

The fourth proportional to 39,645.47, 59,453.39 and 15,945.02 is: 23,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.47 : 59,453.39 = 15,945.02 : x
  2. Step 2: Convert to fraction form
    39,645.47/59,453.39 = 15,945.02/x
  3. Step 3: Cross multiply
    39,645.47x = 59,453.39 × 15,945.02
  4. Step 4: Simplify right side
    39,645.47x = 947,985,115.63
  5. Step 5: Solve for x
    x = 947,985,115.63/39,645.47
  6. Step 6: Final answer
    x = 23,911.57

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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.