Home / 30,056.18-45,034.79-10,323.90

Finding the Fourth Proportional to 30,056.18, 45,034.79 and 10,323.90

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Solution

The fourth proportional to 30,056.18, 45,034.79 and 10,323.90 is: 15,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.18 : 45,034.79 = 10,323.90 : x
  2. Step 2: Convert to fraction form
    30,056.18/45,034.79 = 10,323.90/x
  3. Step 3: Cross multiply
    30,056.18x = 45,034.79 × 10,323.90
  4. Step 4: Simplify right side
    30,056.18x = 464,934,616.86
  5. Step 5: Solve for x
    x = 464,934,616.86/30,056.18
  6. Step 6: Final answer
    x = 15,468.86

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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.