Home / 48,426.36-72,591.84-20,354.40

Finding the Fourth Proportional to 48,426.36, 72,591.84 and 20,354.40

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Solution

The fourth proportional to 48,426.36, 72,591.84 and 20,354.40 is: 30,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.36 : 72,591.84 = 20,354.40 : x
  2. Step 2: Convert to fraction form
    48,426.36/72,591.84 = 20,354.40/x
  3. Step 3: Cross multiply
    48,426.36x = 72,591.84 × 20,354.40
  4. Step 4: Simplify right side
    48,426.36x = 1,477,563,348.10
  5. Step 5: Solve for x
    x = 1,477,563,348.10/48,426.36
  6. Step 6: Final answer
    x = 30,511.55

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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.