Home / 48,901.60-73,352.40-31,405.60

Finding the Fourth Proportional to 48,901.60, 73,352.40 and 31,405.60

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Solution

The fourth proportional to 48,901.60, 73,352.40 and 31,405.60 is: 47,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,901.60 : 73,352.40 = 31,405.60 : x
  2. Step 2: Convert to fraction form
    48,901.60/73,352.40 = 31,405.60/x
  3. Step 3: Cross multiply
    48,901.60x = 73,352.40 × 31,405.60
  4. Step 4: Simplify right side
    48,901.60x = 2,303,676,133.44
  5. Step 5: Solve for x
    x = 2,303,676,133.44/48,901.60
  6. Step 6: Final answer
    x = 47,108.40

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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.