Home / 48,246.03-72,389.70-20,172.65

Finding the Fourth Proportional to 48,246.03, 72,389.70 and 20,172.65

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Solution

The fourth proportional to 48,246.03, 72,389.70 and 20,172.65 is: 30,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,246.03 : 72,389.70 = 20,172.65 : x
  2. Step 2: Convert to fraction form
    48,246.03/72,389.70 = 20,172.65/x
  3. Step 3: Cross multiply
    48,246.03x = 72,389.70 × 20,172.65
  4. Step 4: Simplify right side
    48,246.03x = 1,460,291,719.76
  5. Step 5: Solve for x
    x = 1,460,291,719.76/48,246.03
  6. Step 6: Final answer
    x = 30,267.60

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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.