Home / 51,954.72-77,925.60-20,790.24

Finding the Fourth Proportional to 51,954.72, 77,925.60 and 20,790.24

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Solution

The fourth proportional to 51,954.72, 77,925.60 and 20,790.24 is: 31,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,954.72 : 77,925.60 = 20,790.24 : x
  2. Step 2: Convert to fraction form
    51,954.72/77,925.60 = 20,790.24/x
  3. Step 3: Cross multiply
    51,954.72x = 77,925.60 × 20,790.24
  4. Step 4: Simplify right side
    51,954.72x = 1,620,091,926.14
  5. Step 5: Solve for x
    x = 1,620,091,926.14/51,954.72
  6. Step 6: Final answer
    x = 31,182.77

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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.