Home / 32,730.03-49,112.64-13,008.75

Finding the Fourth Proportional to 32,730.03, 49,112.64 and 13,008.75

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Solution

The fourth proportional to 32,730.03, 49,112.64 and 13,008.75 is: 19,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,730.03 : 49,112.64 = 13,008.75 : x
  2. Step 2: Convert to fraction form
    32,730.03/49,112.64 = 13,008.75/x
  3. Step 3: Cross multiply
    32,730.03x = 49,112.64 × 13,008.75
  4. Step 4: Simplify right side
    32,730.03x = 638,894,055.60
  5. Step 5: Solve for x
    x = 638,894,055.60/32,730.03
  6. Step 6: Final answer
    x = 19,520.12

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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.