Home / 53,106.39-79,632.16-15,661.70

Finding the Fourth Proportional to 53,106.39, 79,632.16 and 15,661.70

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Solution

The fourth proportional to 53,106.39, 79,632.16 and 15,661.70 is: 23,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.39 : 79,632.16 = 15,661.70 : x
  2. Step 2: Convert to fraction form
    53,106.39/79,632.16 = 15,661.70/x
  3. Step 3: Cross multiply
    53,106.39x = 79,632.16 × 15,661.70
  4. Step 4: Simplify right side
    53,106.39x = 1,247,174,861.58
  5. Step 5: Solve for x
    x = 1,247,174,861.58/53,106.39
  6. Step 6: Final answer
    x = 23,484.46

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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.