Home / 48,870.60-73,330.20-19,289.40

Finding the Fourth Proportional to 48,870.60, 73,330.20 and 19,289.40

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Solution

The fourth proportional to 48,870.60, 73,330.20 and 19,289.40 is: 28,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,870.60 : 73,330.20 = 19,289.40 : x
  2. Step 2: Convert to fraction form
    48,870.60/73,330.20 = 19,289.40/x
  3. Step 3: Cross multiply
    48,870.60x = 73,330.20 × 19,289.40
  4. Step 4: Simplify right side
    48,870.60x = 1,414,495,559.88
  5. Step 5: Solve for x
    x = 1,414,495,559.88/48,870.60
  6. Step 6: Final answer
    x = 28,943.69

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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.