Home / 39,384.61-54,348.59-22,386.49

Finding the Fourth Proportional to 39,384.61, 54,348.59 and 22,386.49

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Solution

The fourth proportional to 39,384.61, 54,348.59 and 22,386.49 is: 30,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.61 : 54,348.59 = 22,386.49 : x
  2. Step 2: Convert to fraction form
    39,384.61/54,348.59 = 22,386.49/x
  3. Step 3: Cross multiply
    39,384.61x = 54,348.59 × 22,386.49
  4. Step 4: Simplify right side
    39,384.61x = 1,216,674,086.64
  5. Step 5: Solve for x
    x = 1,216,674,086.64/39,384.61
  6. Step 6: Final answer
    x = 30,892.12

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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.