Home / 52,120.05-71,925.73-28,246.72

Finding the Fourth Proportional to 52,120.05, 71,925.73 and 28,246.72

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Solution

The fourth proportional to 52,120.05, 71,925.73 and 28,246.72 is: 38,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.05 : 71,925.73 = 28,246.72 : x
  2. Step 2: Convert to fraction form
    52,120.05/71,925.73 = 28,246.72/x
  3. Step 3: Cross multiply
    52,120.05x = 71,925.73 × 28,246.72
  4. Step 4: Simplify right side
    52,120.05x = 2,031,665,956.11
  5. Step 5: Solve for x
    x = 2,031,665,956.11/52,120.05
  6. Step 6: Final answer
    x = 38,980.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.