Home / 48,201.60-72,302.40-30,486.90

Finding the Fourth Proportional to 48,201.60, 72,302.40 and 30,486.90

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Solution

The fourth proportional to 48,201.60, 72,302.40 and 30,486.90 is: 45,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,201.60 : 72,302.40 = 30,486.90 : x
  2. Step 2: Convert to fraction form
    48,201.60/72,302.40 = 30,486.90/x
  3. Step 3: Cross multiply
    48,201.60x = 72,302.40 × 30,486.90
  4. Step 4: Simplify right side
    48,201.60x = 2,204,276,038.56
  5. Step 5: Solve for x
    x = 2,204,276,038.56/48,201.60
  6. Step 6: Final answer
    x = 45,730.35

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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.