Home / 49,862.13-74,807.37-20,301.18

Finding the Fourth Proportional to 49,862.13, 74,807.37 and 20,301.18

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Solution

The fourth proportional to 49,862.13, 74,807.37 and 20,301.18 is: 30,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,862.13 : 74,807.37 = 20,301.18 : x
  2. Step 2: Convert to fraction form
    49,862.13/74,807.37 = 20,301.18/x
  3. Step 3: Cross multiply
    49,862.13x = 74,807.37 × 20,301.18
  4. Step 4: Simplify right side
    49,862.13x = 1,518,677,883.70
  5. Step 5: Solve for x
    x = 1,518,677,883.70/49,862.13
  6. Step 6: Final answer
    x = 30,457.54

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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.