Home / 45,200.52-62,354.34-28,421.64

Finding the Fourth Proportional to 45,200.52, 62,354.34 and 28,421.64

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Solution

The fourth proportional to 45,200.52, 62,354.34 and 28,421.64 is: 39,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,200.52 : 62,354.34 = 28,421.64 : x
  2. Step 2: Convert to fraction form
    45,200.52/62,354.34 = 28,421.64/x
  3. Step 3: Cross multiply
    45,200.52x = 62,354.34 × 28,421.64
  4. Step 4: Simplify right side
    45,200.52x = 1,772,212,603.92
  5. Step 5: Solve for x
    x = 1,772,212,603.92/45,200.52
  6. Step 6: Final answer
    x = 39,207.79

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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.