Home / 51,178.66-76,735.02-21,588.58

Finding the Fourth Proportional to 51,178.66, 76,735.02 and 21,588.58

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Solution

The fourth proportional to 51,178.66, 76,735.02 and 21,588.58 is: 32,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.66 : 76,735.02 = 21,588.58 : x
  2. Step 2: Convert to fraction form
    51,178.66/76,735.02 = 21,588.58/x
  3. Step 3: Cross multiply
    51,178.66x = 76,735.02 × 21,588.58
  4. Step 4: Simplify right side
    51,178.66x = 1,656,600,118.07
  5. Step 5: Solve for x
    x = 1,656,600,118.07/51,178.66
  6. Step 6: Final answer
    x = 32,368.96

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1.5x scale

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.