Home / 39,350.78-59,034.94-14,390.28

Finding the Fourth Proportional to 39,350.78, 59,034.94 and 14,390.28

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Solution

The fourth proportional to 39,350.78, 59,034.94 and 14,390.28 is: 21,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.78 : 59,034.94 = 14,390.28 : x
  2. Step 2: Convert to fraction form
    39,350.78/59,034.94 = 14,390.28/x
  3. Step 3: Cross multiply
    39,350.78x = 59,034.94 × 14,390.28
  4. Step 4: Simplify right side
    39,350.78x = 849,529,021.21
  5. Step 5: Solve for x
    x = 849,529,021.21/39,350.78
  6. Step 6: Final answer
    x = 21,588.62

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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.