Home / 30,775.64-46,127.01-14,121.64

Finding the Fourth Proportional to 30,775.64, 46,127.01 and 14,121.64

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Solution

The fourth proportional to 30,775.64, 46,127.01 and 14,121.64 is: 21,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.64 : 46,127.01 = 14,121.64 : x
  2. Step 2: Convert to fraction form
    30,775.64/46,127.01 = 14,121.64/x
  3. Step 3: Cross multiply
    30,775.64x = 46,127.01 × 14,121.64
  4. Step 4: Simplify right side
    30,775.64x = 651,388,798.86
  5. Step 5: Solve for x
    x = 651,388,798.86/30,775.64
  6. Step 6: Final answer
    x = 21,165.73

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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.