Home / 75,209.40-112,810.86-30,824.64

Finding the Fourth Proportional to 75,209.40, 112,810.86 and 30,824.64

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Solution

The fourth proportional to 75,209.40, 112,810.86 and 30,824.64 is: 46,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,209.40 : 112,810.86 = 30,824.64 : x
  2. Step 2: Convert to fraction form
    75,209.40/112,810.86 = 30,824.64/x
  3. Step 3: Cross multiply
    75,209.40x = 112,810.86 × 30,824.64
  4. Step 4: Simplify right side
    75,209.40x = 3,477,354,147.59
  5. Step 5: Solve for x
    x = 3,477,354,147.59/75,209.40
  6. Step 6: Final answer
    x = 46,235.63

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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.