Home / 39,121.71-58,681.54-11,043.70

Finding the Fourth Proportional to 39,121.71, 58,681.54 and 11,043.70

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Solution

The fourth proportional to 39,121.71, 58,681.54 and 11,043.70 is: 16,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.71 : 58,681.54 = 11,043.70 : x
  2. Step 2: Convert to fraction form
    39,121.71/58,681.54 = 11,043.70/x
  3. Step 3: Cross multiply
    39,121.71x = 58,681.54 × 11,043.70
  4. Step 4: Simplify right side
    39,121.71x = 648,061,571.94
  5. Step 5: Solve for x
    x = 648,061,571.94/39,121.71
  6. Step 6: Final answer
    x = 16,565.27

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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.