Home / 20,437.92-30,632.14-14,505.48

Finding the Fourth Proportional to 20,437.92, 30,632.14 and 14,505.48

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Solution

The fourth proportional to 20,437.92, 30,632.14 and 14,505.48 is: 21,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.92 : 30,632.14 = 14,505.48 : x
  2. Step 2: Convert to fraction form
    20,437.92/30,632.14 = 14,505.48/x
  3. Step 3: Cross multiply
    20,437.92x = 30,632.14 × 14,505.48
  4. Step 4: Simplify right side
    20,437.92x = 444,333,894.13
  5. Step 5: Solve for x
    x = 444,333,894.13/20,437.92
  6. Step 6: Final answer
    x = 21,740.66

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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.