Home / 38,669.54-58,267.79-31,803.40

Finding the Fourth Proportional to 38,669.54, 58,267.79 and 31,803.40

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Solution

The fourth proportional to 38,669.54, 58,267.79 and 31,803.40 is: 47,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.54 : 58,267.79 = 31,803.40 : x
  2. Step 2: Convert to fraction form
    38,669.54/58,267.79 = 31,803.40/x
  3. Step 3: Cross multiply
    38,669.54x = 58,267.79 × 31,803.40
  4. Step 4: Simplify right side
    38,669.54x = 1,853,113,832.49
  5. Step 5: Solve for x
    x = 1,853,113,832.49/38,669.54
  6. Step 6: Final answer
    x = 47,921.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.