Home / 56,612.30-84,864.45-21,064.10

Finding the Fourth Proportional to 56,612.30, 84,864.45 and 21,064.10

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Solution

The fourth proportional to 56,612.30, 84,864.45 and 21,064.10 is: 31,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.30 : 84,864.45 = 21,064.10 : x
  2. Step 2: Convert to fraction form
    56,612.30/84,864.45 = 21,064.10/x
  3. Step 3: Cross multiply
    56,612.30x = 84,864.45 × 21,064.10
  4. Step 4: Simplify right side
    56,612.30x = 1,787,593,261.25
  5. Step 5: Solve for x
    x = 1,787,593,261.25/56,612.30
  6. Step 6: Final answer
    x = 31,576.06

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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.