Home / 39,140.74-58,637.29-30,332.59

Finding the Fourth Proportional to 39,140.74, 58,637.29 and 30,332.59

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Solution

The fourth proportional to 39,140.74, 58,637.29 and 30,332.59 is: 45,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.74 : 58,637.29 = 30,332.59 : x
  2. Step 2: Convert to fraction form
    39,140.74/58,637.29 = 30,332.59/x
  3. Step 3: Cross multiply
    39,140.74x = 58,637.29 × 30,332.59
  4. Step 4: Simplify right side
    39,140.74x = 1,778,620,876.28
  5. Step 5: Solve for x
    x = 1,778,620,876.28/39,140.74
  6. Step 6: Final answer
    x = 45,441.68

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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.