Home / 52,148.63-78,225.97-20,127.88

Finding the Fourth Proportional to 52,148.63, 78,225.97 and 20,127.88

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Solution

The fourth proportional to 52,148.63, 78,225.97 and 20,127.88 is: 30,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.63 : 78,225.97 = 20,127.88 : x
  2. Step 2: Convert to fraction form
    52,148.63/78,225.97 = 20,127.88/x
  3. Step 3: Cross multiply
    52,148.63x = 78,225.97 × 20,127.88
  4. Step 4: Simplify right side
    52,148.63x = 1,574,522,948.43
  5. Step 5: Solve for x
    x = 1,574,522,948.43/52,148.63
  6. Step 6: Final answer
    x = 30,192.99

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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.