Home / 30,400.60-45,537.72-15,564.64

Finding the Fourth Proportional to 30,400.60, 45,537.72 and 15,564.64

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Solution

The fourth proportional to 30,400.60, 45,537.72 and 15,564.64 is: 23,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.60 : 45,537.72 = 15,564.64 : x
  2. Step 2: Convert to fraction form
    30,400.60/45,537.72 = 15,564.64/x
  3. Step 3: Cross multiply
    30,400.60x = 45,537.72 × 15,564.64
  4. Step 4: Simplify right side
    30,400.60x = 708,778,218.22
  5. Step 5: Solve for x
    x = 708,778,218.22/30,400.60
  6. Step 6: Final answer
    x = 23,314.61

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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.