Home / 32,719.02-49,071.12-12,992.28

Finding the Fourth Proportional to 32,719.02, 49,071.12 and 12,992.28

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Solution

The fourth proportional to 32,719.02, 49,071.12 and 12,992.28 is: 19,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.02 : 49,071.12 = 12,992.28 : x
  2. Step 2: Convert to fraction form
    32,719.02/49,071.12 = 12,992.28/x
  3. Step 3: Cross multiply
    32,719.02x = 49,071.12 × 12,992.28
  4. Step 4: Simplify right side
    32,719.02x = 637,545,730.95
  5. Step 5: Solve for x
    x = 637,545,730.95/32,719.02
  6. Step 6: Final answer
    x = 19,485.48

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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.