Home / 43,505.08-60,019.30-28,392.50

Finding the Fourth Proportional to 43,505.08, 60,019.30 and 28,392.50

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Solution

The fourth proportional to 43,505.08, 60,019.30 and 28,392.50 is: 39,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,505.08 : 60,019.30 = 28,392.50 : x
  2. Step 2: Convert to fraction form
    43,505.08/60,019.30 = 28,392.50/x
  3. Step 3: Cross multiply
    43,505.08x = 60,019.30 × 28,392.50
  4. Step 4: Simplify right side
    43,505.08x = 1,704,097,975.25
  5. Step 5: Solve for x
    x = 1,704,097,975.25/43,505.08
  6. Step 6: Final answer
    x = 39,170.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.