Home / 39,601.63-59,397.48-12,945.38

Finding the Fourth Proportional to 39,601.63, 59,397.48 and 12,945.38

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Solution

The fourth proportional to 39,601.63, 59,397.48 and 12,945.38 is: 19,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,601.63 : 59,397.48 = 12,945.38 : x
  2. Step 2: Convert to fraction form
    39,601.63/59,397.48 = 12,945.38/x
  3. Step 3: Cross multiply
    39,601.63x = 59,397.48 × 12,945.38
  4. Step 4: Simplify right side
    39,601.63x = 768,923,098.14
  5. Step 5: Solve for x
    x = 768,923,098.14/39,601.63
  6. Step 6: Final answer
    x = 19,416.45

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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.