Home / 53,513.20-80,270.70-20,248.93

Finding the Fourth Proportional to 53,513.20, 80,270.70 and 20,248.93

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Solution

The fourth proportional to 53,513.20, 80,270.70 and 20,248.93 is: 30,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.20 : 80,270.70 = 20,248.93 : x
  2. Step 2: Convert to fraction form
    53,513.20/80,270.70 = 20,248.93/x
  3. Step 3: Cross multiply
    53,513.20x = 80,270.70 × 20,248.93
  4. Step 4: Simplify right side
    53,513.20x = 1,625,395,785.35
  5. Step 5: Solve for x
    x = 1,625,395,785.35/53,513.20
  6. Step 6: Final answer
    x = 30,373.74

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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.