Home / 53,607.95-73,982.32-30,951.08

Finding the Fourth Proportional to 53,607.95, 73,982.32 and 30,951.08

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Solution

The fourth proportional to 53,607.95, 73,982.32 and 30,951.08 is: 42,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607.95 : 73,982.32 = 30,951.08 : x
  2. Step 2: Convert to fraction form
    53,607.95/73,982.32 = 30,951.08/x
  3. Step 3: Cross multiply
    53,607.95x = 73,982.32 × 30,951.08
  4. Step 4: Simplify right side
    53,607.95x = 2,289,832,812.48
  5. Step 5: Solve for x
    x = 2,289,832,812.48/53,607.95
  6. Step 6: Final answer
    x = 42,714.43

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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.