Home / 38,785.81-58,129.48-20,062.35

Finding the Fourth Proportional to 38,785.81, 58,129.48 and 20,062.35

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Solution

The fourth proportional to 38,785.81, 58,129.48 and 20,062.35 is: 30,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.81 : 58,129.48 = 20,062.35 : x
  2. Step 2: Convert to fraction form
    38,785.81/58,129.48 = 20,062.35/x
  3. Step 3: Cross multiply
    38,785.81x = 58,129.48 × 20,062.35
  4. Step 4: Simplify right side
    38,785.81x = 1,166,213,973.08
  5. Step 5: Solve for x
    x = 1,166,213,973.08/38,785.81
  6. Step 6: Final answer
    x = 30,068.06

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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.