Home / 45,071.50-67,468.85-28,353.26

Finding the Fourth Proportional to 45,071.50, 67,468.85 and 28,353.26

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Solution

The fourth proportional to 45,071.50, 67,468.85 and 28,353.26 is: 42,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,071.50 : 67,468.85 = 28,353.26 : x
  2. Step 2: Convert to fraction form
    45,071.50/67,468.85 = 28,353.26/x
  3. Step 3: Cross multiply
    45,071.50x = 67,468.85 × 28,353.26
  4. Step 4: Simplify right side
    45,071.50x = 1,912,961,579.49
  5. Step 5: Solve for x
    x = 1,912,961,579.49/45,071.50
  6. Step 6: Final answer
    x = 42,442.82

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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.