Home / 38,148.84-57,260.52-20,656.08

Finding the Fourth Proportional to 38,148.84, 57,260.52 and 20,656.08

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Solution

The fourth proportional to 38,148.84, 57,260.52 and 20,656.08 is: 31,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.84 : 57,260.52 = 20,656.08 : x
  2. Step 2: Convert to fraction form
    38,148.84/57,260.52 = 20,656.08/x
  3. Step 3: Cross multiply
    38,148.84x = 57,260.52 × 20,656.08
  4. Step 4: Simplify right side
    38,148.84x = 1,182,777,881.96
  5. Step 5: Solve for x
    x = 1,182,777,881.96/38,148.84
  6. Step 6: Final answer
    x = 31,004.29

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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.