Home / 53,155.14-79,732.62-15,715.68

Finding the Fourth Proportional to 53,155.14, 79,732.62 and 15,715.68

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Solution

The fourth proportional to 53,155.14, 79,732.62 and 15,715.68 is: 23,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155.14 : 79,732.62 = 15,715.68 : x
  2. Step 2: Convert to fraction form
    53,155.14/79,732.62 = 15,715.68/x
  3. Step 3: Cross multiply
    53,155.14x = 79,732.62 × 15,715.68
  4. Step 4: Simplify right side
    53,155.14x = 1,253,052,341.48
  5. Step 5: Solve for x
    x = 1,253,052,341.48/53,155.14
  6. Step 6: Final answer
    x = 23,573.49

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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.