Home / 32,865.40-49,233.30-19,678.60

Finding the Fourth Proportional to 32,865.40, 49,233.30 and 19,678.60

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Solution

The fourth proportional to 32,865.40, 49,233.30 and 19,678.60 is: 29,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,865.40 : 49,233.30 = 19,678.60 : x
  2. Step 2: Convert to fraction form
    32,865.40/49,233.30 = 19,678.60/x
  3. Step 3: Cross multiply
    32,865.40x = 49,233.30 × 19,678.60
  4. Step 4: Simplify right side
    32,865.40x = 968,842,417.38
  5. Step 5: Solve for x
    x = 968,842,417.38/32,865.40
  6. Step 6: Final answer
    x = 29,479.10

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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.