Home / 56,247.40-84,341.94-28,137.16

Finding the Fourth Proportional to 56,247.40, 84,341.94 and 28,137.16

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Solution

The fourth proportional to 56,247.40, 84,341.94 and 28,137.16 is: 42,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247.40 : 84,341.94 = 28,137.16 : x
  2. Step 2: Convert to fraction form
    56,247.40/84,341.94 = 28,137.16/x
  3. Step 3: Cross multiply
    56,247.40x = 84,341.94 × 28,137.16
  4. Step 4: Simplify right side
    56,247.40x = 2,373,142,660.49
  5. Step 5: Solve for x
    x = 2,373,142,660.49/56,247.40
  6. Step 6: Final answer
    x = 42,191.15

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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.