Home / 51,225.40-76,836.75-21,635.29

Finding the Fourth Proportional to 51,225.40, 76,836.75 and 21,635.29

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Solution

The fourth proportional to 51,225.40, 76,836.75 and 21,635.29 is: 32,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.40 : 76,836.75 = 21,635.29 : x
  2. Step 2: Convert to fraction form
    51,225.40/76,836.75 = 21,635.29/x
  3. Step 3: Cross multiply
    51,225.40x = 76,836.75 × 21,635.29
  4. Step 4: Simplify right side
    51,225.40x = 1,662,385,368.91
  5. Step 5: Solve for x
    x = 1,662,385,368.91/51,225.40
  6. Step 6: Final answer
    x = 32,452.36

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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.