Home / 39,220.29-58,828.83-11,140.22

Finding the Fourth Proportional to 39,220.29, 58,828.83 and 11,140.22

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Solution

The fourth proportional to 39,220.29, 58,828.83 and 11,140.22 is: 16,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.29 : 58,828.83 = 11,140.22 : x
  2. Step 2: Convert to fraction form
    39,220.29/58,828.83 = 11,140.22/x
  3. Step 3: Cross multiply
    39,220.29x = 58,828.83 × 11,140.22
  4. Step 4: Simplify right side
    39,220.29x = 655,365,814.40
  5. Step 5: Solve for x
    x = 655,365,814.40/39,220.29
  6. Step 6: Final answer
    x = 16,709.87

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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.