Home / 30,252.16-45,384.72-12,711.88

Finding the Fourth Proportional to 30,252.16, 45,384.72 and 12,711.88

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Solution

The fourth proportional to 30,252.16, 45,384.72 and 12,711.88 is: 19,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.16 : 45,384.72 = 12,711.88 : x
  2. Step 2: Convert to fraction form
    30,252.16/45,384.72 = 12,711.88/x
  3. Step 3: Cross multiply
    30,252.16x = 45,384.72 × 12,711.88
  4. Step 4: Simplify right side
    30,252.16x = 576,925,114.47
  5. Step 5: Solve for x
    x = 576,925,114.47/30,252.16
  6. Step 6: Final answer
    x = 19,070.54

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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.