Home / 45,388.49-62,618.94-28,152.90

Finding the Fourth Proportional to 45,388.49, 62,618.94 and 28,152.90

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Solution

The fourth proportional to 45,388.49, 62,618.94 and 28,152.90 is: 38,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.49 : 62,618.94 = 28,152.90 : x
  2. Step 2: Convert to fraction form
    45,388.49/62,618.94 = 28,152.90/x
  3. Step 3: Cross multiply
    45,388.49x = 62,618.94 × 28,152.90
  4. Step 4: Simplify right side
    45,388.49x = 1,762,904,755.93
  5. Step 5: Solve for x
    x = 1,762,904,755.93/45,388.49
  6. Step 6: Final answer
    x = 38,840.35

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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.