Home / 48,114.86-72,181.40-21,821.67

Finding the Fourth Proportional to 48,114.86, 72,181.40 and 21,821.67

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Solution

The fourth proportional to 48,114.86, 72,181.40 and 21,821.67 is: 32,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,114.86 : 72,181.40 = 21,821.67 : x
  2. Step 2: Convert to fraction form
    48,114.86/72,181.40 = 21,821.67/x
  3. Step 3: Cross multiply
    48,114.86x = 72,181.40 × 21,821.67
  4. Step 4: Simplify right side
    48,114.86x = 1,575,118,581.83
  5. Step 5: Solve for x
    x = 1,575,118,581.83/48,114.86
  6. Step 6: Final answer
    x = 32,736.64

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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.