Home / 51,728.90-77,638.71-29,586.74

Finding the Fourth Proportional to 51,728.90, 77,638.71 and 29,586.74

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Solution

The fourth proportional to 51,728.90, 77,638.71 and 29,586.74 is: 44,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,728.90 : 77,638.71 = 29,586.74 : x
  2. Step 2: Convert to fraction form
    51,728.90/77,638.71 = 29,586.74/x
  3. Step 3: Cross multiply
    51,728.90x = 77,638.71 × 29,586.74
  4. Step 4: Simplify right side
    51,728.90x = 2,297,076,326.71
  5. Step 5: Solve for x
    x = 2,297,076,326.71/51,728.90
  6. Step 6: Final answer
    x = 44,406.05

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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.