Home / 59,811.29-89,730.83-20,368.75

Finding the Fourth Proportional to 59,811.29, 89,730.83 and 20,368.75

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Solution

The fourth proportional to 59,811.29, 89,730.83 and 20,368.75 is: 30,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,811.29 : 89,730.83 = 20,368.75 : x
  2. Step 2: Convert to fraction form
    59,811.29/89,730.83 = 20,368.75/x
  3. Step 3: Cross multiply
    59,811.29x = 89,730.83 × 20,368.75
  4. Step 4: Simplify right side
    59,811.29x = 1,827,704,293.06
  5. Step 5: Solve for x
    x = 1,827,704,293.06/59,811.29
  6. Step 6: Final answer
    x = 30,557.85

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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.