Home / 52,069.60-78,088.24-18,785.32

Finding the Fourth Proportional to 52,069.60, 78,088.24 and 18,785.32

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Solution

The fourth proportional to 52,069.60, 78,088.24 and 18,785.32 is: 28,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.60 : 78,088.24 = 18,785.32 : x
  2. Step 2: Convert to fraction form
    52,069.60/78,088.24 = 18,785.32/x
  3. Step 3: Cross multiply
    52,069.60x = 78,088.24 × 18,785.32
  4. Step 4: Simplify right side
    52,069.60x = 1,466,912,576.64
  5. Step 5: Solve for x
    x = 1,466,912,576.64/52,069.60
  6. Step 6: Final answer
    x = 28,172.15

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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.