Home / 45,439.41-62,688.96-28,203.69

Finding the Fourth Proportional to 45,439.41, 62,688.96 and 28,203.69

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Solution

The fourth proportional to 45,439.41, 62,688.96 and 28,203.69 is: 38,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.41 : 62,688.96 = 28,203.69 : x
  2. Step 2: Convert to fraction form
    45,439.41/62,688.96 = 28,203.69/x
  3. Step 3: Cross multiply
    45,439.41x = 62,688.96 × 28,203.69
  4. Step 4: Simplify right side
    45,439.41x = 1,768,059,994.26
  5. Step 5: Solve for x
    x = 1,768,059,994.26/45,439.41
  6. Step 6: Final answer
    x = 38,910.28

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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.