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Finding the Fourth Proportional to 56,476.61, 84,700.69 and 23,205.86

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Solution

The fourth proportional to 56,476.61, 84,700.69 and 23,205.86 is: 34,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,476.61 : 84,700.69 = 23,205.86 : x
  2. Step 2: Convert to fraction form
    56,476.61/84,700.69 = 23,205.86/x
  3. Step 3: Cross multiply
    56,476.61x = 84,700.69 × 23,205.86
  4. Step 4: Simplify right side
    56,476.61x = 1,965,551,872.53
  5. Step 5: Solve for x
    x = 1,965,551,872.53/56,476.61
  6. Step 6: Final answer
    x = 34,802.94

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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.