Home / 30,784.64-46,180.16-15,187.20

Finding the Fourth Proportional to 30,784.64, 46,180.16 and 15,187.20

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Solution

The fourth proportional to 30,784.64, 46,180.16 and 15,187.20 is: 22,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.64 : 46,180.16 = 15,187.20 : x
  2. Step 2: Convert to fraction form
    30,784.64/46,180.16 = 15,187.20/x
  3. Step 3: Cross multiply
    30,784.64x = 46,180.16 × 15,187.20
  4. Step 4: Simplify right side
    30,784.64x = 701,347,325.95
  5. Step 5: Solve for x
    x = 701,347,325.95/30,784.64
  6. Step 6: Final answer
    x = 22,782.38

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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.