Home / 30,209.48-45,320.52-15,225.02

Finding the Fourth Proportional to 30,209.48, 45,320.52 and 15,225.02

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Solution

The fourth proportional to 30,209.48, 45,320.52 and 15,225.02 is: 22,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.48 : 45,320.52 = 15,225.02 : x
  2. Step 2: Convert to fraction form
    30,209.48/45,320.52 = 15,225.02/x
  3. Step 3: Cross multiply
    30,209.48x = 45,320.52 × 15,225.02
  4. Step 4: Simplify right side
    30,209.48x = 690,005,823.41
  5. Step 5: Solve for x
    x = 690,005,823.41/30,209.48
  6. Step 6: Final answer
    x = 22,840.71

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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.