Home / 56,680.14-84,995.41-21,595.20

Finding the Fourth Proportional to 56,680.14, 84,995.41 and 21,595.20

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Solution

The fourth proportional to 56,680.14, 84,995.41 and 21,595.20 is: 32,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.14 : 84,995.41 = 21,595.20 : x
  2. Step 2: Convert to fraction form
    56,680.14/84,995.41 = 21,595.20/x
  3. Step 3: Cross multiply
    56,680.14x = 84,995.41 × 21,595.20
  4. Step 4: Simplify right side
    56,680.14x = 1,835,492,878.03
  5. Step 5: Solve for x
    x = 1,835,492,878.03/56,680.14
  6. Step 6: Final answer
    x = 32,383.35

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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.