Home / 48,187.72-72,288.30-21,899.08

Finding the Fourth Proportional to 48,187.72, 72,288.30 and 21,899.08

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Solution

The fourth proportional to 48,187.72, 72,288.30 and 21,899.08 is: 32,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187.72 : 72,288.30 = 21,899.08 : x
  2. Step 2: Convert to fraction form
    48,187.72/72,288.30 = 21,899.08/x
  3. Step 3: Cross multiply
    48,187.72x = 72,288.30 × 21,899.08
  4. Step 4: Simplify right side
    48,187.72x = 1,583,047,264.76
  5. Step 5: Solve for x
    x = 1,583,047,264.76/48,187.72
  6. Step 6: Final answer
    x = 32,851.67

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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.