Home / 45,419.52-62,671.95-28,415.55

Finding the Fourth Proportional to 45,419.52, 62,671.95 and 28,415.55

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Solution

The fourth proportional to 45,419.52, 62,671.95 and 28,415.55 is: 39,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.52 : 62,671.95 = 28,415.55 : x
  2. Step 2: Convert to fraction form
    45,419.52/62,671.95 = 28,415.55/x
  3. Step 3: Cross multiply
    45,419.52x = 62,671.95 × 28,415.55
  4. Step 4: Simplify right side
    45,419.52x = 1,780,857,928.82
  5. Step 5: Solve for x
    x = 1,780,857,928.82/45,419.52
  6. Step 6: Final answer
    x = 39,209.09

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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.