Home / 51,506.23-77,610.30-42,351.33

Finding the Fourth Proportional to 51,506.23, 77,610.30 and 42,351.33

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Solution

The fourth proportional to 51,506.23, 77,610.30 and 42,351.33 is: 63,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,506.23 : 77,610.30 = 42,351.33 : x
  2. Step 2: Convert to fraction form
    51,506.23/77,610.30 = 42,351.33/x
  3. Step 3: Cross multiply
    51,506.23x = 77,610.30 × 42,351.33
  4. Step 4: Simplify right side
    51,506.23x = 3,286,899,426.70
  5. Step 5: Solve for x
    x = 3,286,899,426.70/51,506.23
  6. Step 6: Final answer
    x = 63,815.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.