Home / 57,985.84-80,018.22-32,835.40

Finding the Fourth Proportional to 57,985.84, 80,018.22 and 32,835.40

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Solution

The fourth proportional to 57,985.84, 80,018.22 and 32,835.40 is: 45,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985.84 : 80,018.22 = 32,835.40 : x
  2. Step 2: Convert to fraction form
    57,985.84/80,018.22 = 32,835.40/x
  3. Step 3: Cross multiply
    57,985.84x = 80,018.22 × 32,835.40
  4. Step 4: Simplify right side
    57,985.84x = 2,627,430,260.99
  5. Step 5: Solve for x
    x = 2,627,430,260.99/57,985.84
  6. Step 6: Final answer
    x = 45,311.58

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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.