Home / 48,320.96-72,501.84-20,246.40

Finding the Fourth Proportional to 48,320.96, 72,501.84 and 20,246.40

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Solution

The fourth proportional to 48,320.96, 72,501.84 and 20,246.40 is: 30,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.96 : 72,501.84 = 20,246.40 : x
  2. Step 2: Convert to fraction form
    48,320.96/72,501.84 = 20,246.40/x
  3. Step 3: Cross multiply
    48,320.96x = 72,501.84 × 20,246.40
  4. Step 4: Simplify right side
    48,320.96x = 1,467,901,253.38
  5. Step 5: Solve for x
    x = 1,467,901,253.38/48,320.96
  6. Step 6: Final answer
    x = 30,378.15

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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.