Home / 43,213.55-64,820.39-28,488.24

Finding the Fourth Proportional to 43,213.55, 64,820.39 and 28,488.24

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Solution

The fourth proportional to 43,213.55, 64,820.39 and 28,488.24 is: 42,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.55 : 64,820.39 = 28,488.24 : x
  2. Step 2: Convert to fraction form
    43,213.55/64,820.39 = 28,488.24/x
  3. Step 3: Cross multiply
    43,213.55x = 64,820.39 × 28,488.24
  4. Step 4: Simplify right side
    43,213.55x = 1,846,618,684.77
  5. Step 5: Solve for x
    x = 1,846,618,684.77/43,213.55
  6. Step 6: Final answer
    x = 42,732.40

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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.