Home / 30,390.52-45,585.24-9,614.02

Finding the Fourth Proportional to 30,390.52, 45,585.24 and 9,614.02

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Solution

The fourth proportional to 30,390.52, 45,585.24 and 9,614.02 is: 14,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.52 : 45,585.24 = 9,614.02 : x
  2. Step 2: Convert to fraction form
    30,390.52/45,585.24 = 9,614.02/x
  3. Step 3: Cross multiply
    30,390.52x = 45,585.24 × 9,614.02
  4. Step 4: Simplify right side
    30,390.52x = 438,257,409.06
  5. Step 5: Solve for x
    x = 438,257,409.06/30,390.52
  6. Step 6: Final answer
    x = 14,420.86

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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.