Home / 53,937.18-80,906.52-20,658.93

Finding the Fourth Proportional to 53,937.18, 80,906.52 and 20,658.93

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Solution

The fourth proportional to 53,937.18, 80,906.52 and 20,658.93 is: 30,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,937.18 : 80,906.52 = 20,658.93 : x
  2. Step 2: Convert to fraction form
    53,937.18/80,906.52 = 20,658.93/x
  3. Step 3: Cross multiply
    53,937.18x = 80,906.52 × 20,658.93
  4. Step 4: Simplify right side
    53,937.18x = 1,671,442,133.22
  5. Step 5: Solve for x
    x = 1,671,442,133.22/53,937.18
  6. Step 6: Final answer
    x = 30,988.68

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1.5x scale

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.