Home / 58,734.08-81,052.20-31,876.64

Finding the Fourth Proportional to 58,734.08, 81,052.20 and 31,876.64

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Solution

The fourth proportional to 58,734.08, 81,052.20 and 31,876.64 is: 43,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,734.08 : 81,052.20 = 31,876.64 : x
  2. Step 2: Convert to fraction form
    58,734.08/81,052.20 = 31,876.64/x
  3. Step 3: Cross multiply
    58,734.08x = 81,052.20 × 31,876.64
  4. Step 4: Simplify right side
    58,734.08x = 2,583,671,800.61
  5. Step 5: Solve for x
    x = 2,583,671,800.61/58,734.08
  6. Step 6: Final answer
    x = 43,989.31

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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.