Home / 39,320.29-58,931.18-30,967.31

Finding the Fourth Proportional to 39,320.29, 58,931.18 and 30,967.31

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Solution

The fourth proportional to 39,320.29, 58,931.18 and 30,967.31 is: 46,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320.29 : 58,931.18 = 30,967.31 : x
  2. Step 2: Convert to fraction form
    39,320.29/58,931.18 = 30,967.31/x
  3. Step 3: Cross multiply
    39,320.29x = 58,931.18 × 30,967.31
  4. Step 4: Simplify right side
    39,320.29x = 1,824,940,358.99
  5. Step 5: Solve for x
    x = 1,824,940,358.99/39,320.29
  6. Step 6: Final answer
    x = 46,412.18

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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.