Home / 39,935.67-55,111.21-22,030.71

Finding the Fourth Proportional to 39,935.67, 55,111.21 and 22,030.71

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Solution

The fourth proportional to 39,935.67, 55,111.21 and 22,030.71 is: 30,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.67 : 55,111.21 = 22,030.71 : x
  2. Step 2: Convert to fraction form
    39,935.67/55,111.21 = 22,030.71/x
  3. Step 3: Cross multiply
    39,935.67x = 55,111.21 × 22,030.71
  4. Step 4: Simplify right side
    39,935.67x = 1,214,139,085.26
  5. Step 5: Solve for x
    x = 1,214,139,085.26/39,935.67
  6. Step 6: Final answer
    x = 30,402.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.