Home / 39,023.59-53,855-22,030.71

Finding the Fourth Proportional to 39,023.59, 53,855 and 22,030.71

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Solution

The fourth proportional to 39,023.59, 53,855 and 22,030.71 is: 30,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,023.59 : 53,855 = 22,030.71 : x
  2. Step 2: Convert to fraction form
    39,023.59/53,855 = 22,030.71/x
  3. Step 3: Cross multiply
    39,023.59x = 53,855 × 22,030.71
  4. Step 4: Simplify right side
    39,023.59x = 1,186,463,887.05
  5. Step 5: Solve for x
    x = 1,186,463,887.05/39,023.59
  6. Step 6: Final answer
    x = 30,403.76

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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.