Home / 52,102.05-71,900.69-28,228.77

Finding the Fourth Proportional to 52,102.05, 71,900.69 and 28,228.77

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Solution

The fourth proportional to 52,102.05, 71,900.69 and 28,228.77 is: 38,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,102.05 : 71,900.69 = 28,228.77 : x
  2. Step 2: Convert to fraction form
    52,102.05/71,900.69 = 28,228.77/x
  3. Step 3: Cross multiply
    52,102.05x = 71,900.69 × 28,228.77
  4. Step 4: Simplify right side
    52,102.05x = 2,029,667,899.71
  5. Step 5: Solve for x
    x = 2,029,667,899.71/52,102.05
  6. Step 6: Final answer
    x = 38,955.62

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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.